97981000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{7537}}^1$

素因数の和:7571

約数の個数: 64

約数和(自身を含む): 246944880

約数和(自身を除く): 148963880

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, 6500, 7537, 13000, 15074, 30148, 37685, 60296, 75370, 97981, 150740, 188425, 195962, 301480, 376850, 391924, 489905, 753700, 783848, 942125, 979810, 1507400, 1884250, 1959620, 2449525, 3768500, 3919240, 4899050, 7537000, 9798100, 12247625, 19596200, 24495250, 48990500, 97981000]

約数ペア:

[(1, 97981000), (2, 48990500), (4, 24495250), (5, 19596200), (8, 12247625), (10, 9798100), (13, 7537000), (20, 4899050), (25, 3919240), (26, 3768500), (40, 2449525), (50, 1959620), (52, 1884250), (65, 1507400), (100, 979810), (104, 942125), (125, 783848), (130, 753700), (200, 489905), (250, 391924), (260, 376850), (325, 301480), (500, 195962), (520, 188425), (650, 150740), (1000, 97981), (1300, 75370), (1625, 60296), (2600, 37685), (3250, 30148), (6500, 15074), (7537, 13000)]