31265000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^2\times {\mathrm{37}}^1$

素因数の和:89

約数の個数: 120

約数和(自身を含む): 81466110

約数和(自身を除く): 50201110

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 37, 40, 50, 52, 65, 74, 100, 104, 125, 130, 148, 169, 185, 200, 250, 260, 296, 325, 338, 370, 481, 500, 520, 625, 650, 676, 740, 845, 925, 962, 1000, 1250, 1300, 1352, 1480, 1625, 1690, 1850, 1924, 2405, 2500, 2600, 3250, 3380, 3700, 3848, 4225, 4625, 4810, 5000, 6253, 6500, 6760, 7400, 8125, 8450, 9250, 9620, 12025, 12506, 13000, 16250, 16900, 18500, 19240, 21125, 23125, 24050, 25012, 31265, 32500, 33800, 37000, 42250, 46250, 48100, 50024, 60125, 62530, 65000, 84500, 92500, 96200, 105625, 120250, 125060, 156325, 169000, 185000, 211250, 240500, 250120, 300625, 312650, 422500, 481000, 601250, 625300, 781625, 845000, 1202500, 1250600, 1563250, 2405000, 3126500, 3908125, 6253000, 7816250, 15632500, 31265000]

約数ペア:

[(1, 31265000), (2, 15632500), (4, 7816250), (5, 6253000), (8, 3908125), (10, 3126500), (13, 2405000), (20, 1563250), (25, 1250600), (26, 1202500), (37, 845000), (40, 781625), (50, 625300), (52, 601250), (65, 481000), (74, 422500), (100, 312650), (104, 300625), (125, 250120), (130, 240500), (148, 211250), (169, 185000), (185, 169000), (200, 156325), (250, 125060), (260, 120250), (296, 105625), (325, 96200), (338, 92500), (370, 84500), (481, 65000), (500, 62530), (520, 60125), (625, 50024), (650, 48100), (676, 46250), (740, 42250), (845, 37000), (925, 33800), (962, 32500), (1000, 31265), (1250, 25012), (1300, 24050), (1352, 23125), (1480, 21125), (1625, 19240), (1690, 18500), (1850, 16900), (1924, 16250), (2405, 13000), (2500, 12506), (2600, 12025), (3250, 9620), (3380, 9250), (3700, 8450), (3848, 8125), (4225, 7400), (4625, 6760), (4810, 6500), (5000, 6253)]