8480680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 21047040

約数和(自身を除く): 12566360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 347, 376, 470, 520, 611, 694, 940, 1222, 1388, 1735, 1880, 2444, 2776, 3055, 3470, 4511, 4888, 6110, 6940, 9022, 12220, 13880, 16309, 18044, 22555, 24440, 32618, 36088, 45110, 65236, 81545, 90220, 130472, 163090, 180440, 212017, 326180, 424034, 652360, 848068, 1060085, 1696136, 2120170, 4240340, 8480680]

約数ペア:

[(1, 8480680), (2, 4240340), (4, 2120170), (5, 1696136), (8, 1060085), (10, 848068), (13, 652360), (20, 424034), (26, 326180), (40, 212017), (47, 180440), (52, 163090), (65, 130472), (94, 90220), (104, 81545), (130, 65236), (188, 45110), (235, 36088), (260, 32618), (347, 24440), (376, 22555), (470, 18044), (520, 16309), (611, 13880), (694, 12220), (940, 9022), (1222, 6940), (1388, 6110), (1735, 4888), (1880, 4511), (2444, 3470), (2776, 3055)]