28506509200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{39439}}^1$

素因数の和:39609

約数の個数: 120

約数和(自身を含む): 74287606400

約数和(自身を除く): 45781097200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 139, 200, 208, 260, 278, 325, 400, 520, 556, 650, 695, 1040, 1112, 1300, 1390, 1807, 2224, 2600, 2780, 3475, 3614, 5200, 5560, 6950, 7228, 9035, 11120, 13900, 14456, 18070, 27800, 28912, 36140, 39439, 45175, 55600, 72280, 78878, 90350, 144560, 157756, 180700, 197195, 315512, 361400, 394390, 512707, 631024, 722800, 788780, 985975, 1025414, 1577560, 1971950, 2050828, 2563535, 3155120, 3943900, 4101656, 5127070, 5482021, 7887800, 8203312, 10254140, 10964042, 12817675, 15775600, 20508280, 21928084, 25635350, 27410105, 41016560, 43856168, 51270700, 54820210, 71266273, 87712336, 102541400, 109640420, 137050525, 142532546, 205082800, 219280840, 274101050, 285065092, 356331365, 438561680, 548202100, 570130184, 712662730, 1096404200, 1140260368, 1425325460, 1781656825, 2192808400, 2850650920, 3563313650, 5701301840, 7126627300, 14253254600, 28506509200]

約数ペア:

[(1, 28506509200), (2, 14253254600), (4, 7126627300), (5, 5701301840), (8, 3563313650), (10, 2850650920), (13, 2192808400), (16, 1781656825), (20, 1425325460), (25, 1140260368), (26, 1096404200), (40, 712662730), (50, 570130184), (52, 548202100), (65, 438561680), (80, 356331365), (100, 285065092), (104, 274101050), (130, 219280840), (139, 205082800), (200, 142532546), (208, 137050525), (260, 109640420), (278, 102541400), (325, 87712336), (400, 71266273), (520, 54820210), (556, 51270700), (650, 43856168), (695, 41016560), (1040, 27410105), (1112, 25635350), (1300, 21928084), (1390, 20508280), (1807, 15775600), (2224, 12817675), (2600, 10964042), (2780, 10254140), (3475, 8203312), (3614, 7887800), (5200, 5482021), (5560, 5127070), (6950, 4101656), (7228, 3943900), (9035, 3155120), (11120, 2563535), (13900, 2050828), (14456, 1971950), (18070, 1577560), (27800, 1025414), (28912, 985975), (36140, 788780), (39439, 722800), (45175, 631024), (55600, 512707), (72280, 394390), (78878, 361400), (90350, 315512), (144560, 197195), (157756, 180700)]