988895861840

素因数分解:

$2^4\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{7868363}}^1$

素因数の和:7869947

約数の個数: 40

約数和(自身を含む): 2300646686688

約数和(自身を除く): 1311750824848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1571, 3142, 6284, 7855, 12568, 15710, 25136, 31420, 62840, 125680, 7868363, 15736726, 31473452, 39341815, 62946904, 78683630, 125893808, 157367260, 314734520, 629469040, 12361198273, 24722396546, 49444793092, 61805991365, 98889586184, 123611982730, 197779172368, 247223965460, 494447930920, 988895861840]

約数ペア:

[(1, 988895861840), (2, 494447930920), (4, 247223965460), (5, 197779172368), (8, 123611982730), (10, 98889586184), (16, 61805991365), (20, 49444793092), (40, 24722396546), (80, 12361198273), (1571, 629469040), (3142, 314734520), (6284, 157367260), (7855, 125893808), (12568, 78683630), (15710, 62946904), (25136, 39341815), (31420, 31473452), (62840, 15736726), (125680, 7868363)]