165797840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{159421}}^1$

素因数の和:159447

約数の個数: 40

約数和(自身を含む): 415134888

約数和(自身を除く): 249337048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 159421, 318842, 637684, 797105, 1275368, 1594210, 2072473, 2550736, 3188420, 4144946, 6376840, 8289892, 10362365, 12753680, 16579784, 20724730, 33159568, 41449460, 82898920, 165797840]

約数ペア:

[(1, 165797840), (2, 82898920), (4, 41449460), (5, 33159568), (8, 20724730), (10, 16579784), (13, 12753680), (16, 10362365), (20, 8289892), (26, 6376840), (40, 4144946), (52, 3188420), (65, 2550736), (80, 2072473), (104, 1594210), (130, 1275368), (208, 797105), (260, 637684), (520, 318842), (1040, 159421)]