40504490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1801}}^1$

素因数の和:1994

約数の個数: 32

約数和(自身を含む): 79014096

約数和(自身を除く): 38509606

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 173, 346, 865, 1730, 1801, 2249, 3602, 4498, 9005, 11245, 18010, 22490, 23413, 46826, 117065, 234130, 311573, 623146, 1557865, 3115730, 4050449, 8100898, 20252245, 40504490]

約数ペア:

[(1, 40504490), (2, 20252245), (5, 8100898), (10, 4050449), (13, 3115730), (26, 1557865), (65, 623146), (130, 311573), (173, 234130), (346, 117065), (865, 46826), (1730, 23413), (1801, 22490), (2249, 18010), (3602, 11245), (4498, 9005)]