19804200

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2539}}^1$

素因数の和:2571

約数の個数: 96

約数和(自身を含む): 66141600

約数和(自身を除く): 46337400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 130, 150, 156, 195, 200, 260, 300, 312, 325, 390, 520, 600, 650, 780, 975, 1300, 1560, 1950, 2539, 2600, 3900, 5078, 7617, 7800, 10156, 12695, 15234, 20312, 25390, 30468, 33007, 38085, 50780, 60936, 63475, 66014, 76170, 99021, 101560, 126950, 132028, 152340, 165035, 190425, 198042, 253900, 264056, 304680, 330070, 380850, 396084, 495105, 507800, 660140, 761700, 792168, 825175, 990210, 1320280, 1523400, 1650350, 1980420, 2475525, 3300700, 3960840, 4951050, 6601400, 9902100, 19804200]

約数ペア:

[(1, 19804200), (2, 9902100), (3, 6601400), (4, 4951050), (5, 3960840), (6, 3300700), (8, 2475525), (10, 1980420), (12, 1650350), (13, 1523400), (15, 1320280), (20, 990210), (24, 825175), (25, 792168), (26, 761700), (30, 660140), (39, 507800), (40, 495105), (50, 396084), (52, 380850), (60, 330070), (65, 304680), (75, 264056), (78, 253900), (100, 198042), (104, 190425), (120, 165035), (130, 152340), (150, 132028), (156, 126950), (195, 101560), (200, 99021), (260, 76170), (300, 66014), (312, 63475), (325, 60936), (390, 50780), (520, 38085), (600, 33007), (650, 30468), (780, 25390), (975, 20312), (1300, 15234), (1560, 12695), (1950, 10156), (2539, 7800), (2600, 7617), (3900, 5078)]