12779000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{983}}^1$

素因数の和:1017

約数の個数: 64

約数和(自身を含む): 32235840

約数和(自身を除く): 19456840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 650, 983, 1000, 1300, 1625, 1966, 2600, 3250, 3932, 4915, 6500, 7864, 9830, 12779, 13000, 19660, 24575, 25558, 39320, 49150, 51116, 63895, 98300, 102232, 122875, 127790, 196600, 245750, 255580, 319475, 491500, 511160, 638950, 983000, 1277900, 1597375, 2555800, 3194750, 6389500, 12779000]

約数ペア:

[(1, 12779000), (2, 6389500), (4, 3194750), (5, 2555800), (8, 1597375), (10, 1277900), (13, 983000), (20, 638950), (25, 511160), (26, 491500), (40, 319475), (50, 255580), (52, 245750), (65, 196600), (100, 127790), (104, 122875), (125, 102232), (130, 98300), (200, 63895), (250, 51116), (260, 49150), (325, 39320), (500, 25558), (520, 24575), (650, 19660), (983, 13000), (1000, 12779), (1300, 9830), (1625, 7864), (1966, 6500), (2600, 4915), (3250, 3932)]