77831000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{5987}}^1$

素因数の和:6021

約数の個数: 64

約数和(自身を含む): 196166880

約数和(自身を除く): 118335880

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, 1000, 1300, 1625, 2600, 3250, 5987, 6500, 11974, 13000, 23948, 29935, 47896, 59870, 77831, 119740, 149675, 155662, 239480, 299350, 311324, 389155, 598700, 622648, 748375, 778310, 1197400, 1496750, 1556620, 1945775, 2993500, 3113240, 3891550, 5987000, 7783100, 9728875, 15566200, 19457750, 38915500, 77831000]

約数ペア:

[(1, 77831000), (2, 38915500), (4, 19457750), (5, 15566200), (8, 9728875), (10, 7783100), (13, 5987000), (20, 3891550), (25, 3113240), (26, 2993500), (40, 1945775), (50, 1556620), (52, 1496750), (65, 1197400), (100, 778310), (104, 748375), (125, 622648), (130, 598700), (200, 389155), (250, 311324), (260, 299350), (325, 239480), (500, 155662), (520, 149675), (650, 119740), (1000, 77831), (1300, 59870), (1625, 47896), (2600, 29935), (3250, 23948), (5987, 13000), (6500, 11974)]