8138000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{313}}^1$

素因数の和:349

約数の個数: 80

約数和(自身を含む): 21259056

約数和(自身を除く): 13121056

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 200, 208, 250, 260, 313, 325, 400, 500, 520, 626, 650, 1000, 1040, 1252, 1300, 1565, 1625, 2000, 2504, 2600, 3130, 3250, 4069, 5008, 5200, 6260, 6500, 7825, 8138, 12520, 13000, 15650, 16276, 20345, 25040, 26000, 31300, 32552, 39125, 40690, 62600, 65104, 78250, 81380, 101725, 125200, 156500, 162760, 203450, 313000, 325520, 406900, 508625, 626000, 813800, 1017250, 1627600, 2034500, 4069000, 8138000]

約数ペア:

[(1, 8138000), (2, 4069000), (4, 2034500), (5, 1627600), (8, 1017250), (10, 813800), (13, 626000), (16, 508625), (20, 406900), (25, 325520), (26, 313000), (40, 203450), (50, 162760), (52, 156500), (65, 125200), (80, 101725), (100, 81380), (104, 78250), (125, 65104), (130, 62600), (200, 40690), (208, 39125), (250, 32552), (260, 31300), (313, 26000), (325, 25040), (400, 20345), (500, 16276), (520, 15650), (626, 13000), (650, 12520), (1000, 8138), (1040, 7825), (1252, 6500), (1300, 6260), (1565, 5200), (1625, 5008), (2000, 4069), (2504, 3250), (2600, 3130)]