868673000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{66821}}^1$

素因数の和:66855

約数の個数: 64

約数和(自身を含む): 2189088720

約数和(自身を除く): 1320415720

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, 13000, 66821, 133642, 267284, 334105, 534568, 668210, 868673, 1336420, 1670525, 1737346, 2672840, 3341050, 3474692, 4343365, 6682100, 6949384, 8352625, 8686730, 13364200, 16705250, 17373460, 21716825, 33410500, 34746920, 43433650, 66821000, 86867300, 108584125, 173734600, 217168250, 434336500, 868673000]

約数ペア:

[(1, 868673000), (2, 434336500), (4, 217168250), (5, 173734600), (8, 108584125), (10, 86867300), (13, 66821000), (20, 43433650), (25, 34746920), (26, 33410500), (40, 21716825), (50, 17373460), (52, 16705250), (65, 13364200), (100, 8686730), (104, 8352625), (125, 6949384), (130, 6682100), (200, 4343365), (250, 3474692), (260, 3341050), (325, 2672840), (500, 1737346), (520, 1670525), (650, 1336420), (1000, 868673), (1300, 668210), (1625, 534568), (2600, 334105), (3250, 267284), (6500, 133642), (13000, 66821)]