88872680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{617}}^1$

素因数の和:918

約数の個数: 64

約数和(自身を含む): 216473040

約数和(自身を除く): 127600360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 277, 520, 554, 617, 1108, 1234, 1385, 2216, 2468, 2770, 3085, 3601, 4936, 5540, 6170, 7202, 8021, 11080, 12340, 14404, 16042, 18005, 24680, 28808, 32084, 36010, 40105, 64168, 72020, 80210, 144040, 160420, 170909, 320840, 341818, 683636, 854545, 1367272, 1709090, 2221817, 3418180, 4443634, 6836360, 8887268, 11109085, 17774536, 22218170, 44436340, 88872680]

約数ペア:

[(1, 88872680), (2, 44436340), (4, 22218170), (5, 17774536), (8, 11109085), (10, 8887268), (13, 6836360), (20, 4443634), (26, 3418180), (40, 2221817), (52, 1709090), (65, 1367272), (104, 854545), (130, 683636), (260, 341818), (277, 320840), (520, 170909), (554, 160420), (617, 144040), (1108, 80210), (1234, 72020), (1385, 64168), (2216, 40105), (2468, 36010), (2770, 32084), (3085, 28808), (3601, 24680), (4936, 18005), (5540, 16042), (6170, 14404), (7202, 12340), (8021, 11080)]