82801360

素因数分解:

$2^4\times 5^1\times {\mathrm{523}}^1\times {\mathrm{1979}}^1$

素因数の和:2515

約数の個数: 40

約数和(自身を含む): 192978720

約数和(自身を除く): 110177360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 523, 1046, 1979, 2092, 2615, 3958, 4184, 5230, 7916, 8368, 9895, 10460, 15832, 19790, 20920, 31664, 39580, 41840, 79160, 158320, 1035017, 2070034, 4140068, 5175085, 8280136, 10350170, 16560272, 20700340, 41400680, 82801360]

約数ペア:

[(1, 82801360), (2, 41400680), (4, 20700340), (5, 16560272), (8, 10350170), (10, 8280136), (16, 5175085), (20, 4140068), (40, 2070034), (80, 1035017), (523, 158320), (1046, 79160), (1979, 41840), (2092, 39580), (2615, 31664), (3958, 20920), (4184, 19790), (5230, 15832), (7916, 10460), (8368, 9895)]