80447620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{9883}}^1$

素因数の和:9940

約数の個数: 48

約数和(自身を含む): 189298368

約数和(自身を除く): 108850748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 4070, 8140, 9883, 19766, 39532, 49415, 98830, 108713, 197660, 217426, 365671, 434852, 543565, 731342, 1087130, 1462684, 1828355, 2174260, 3656710, 4022381, 7313420, 8044762, 16089524, 20111905, 40223810, 80447620]

約数ペア:

[(1, 80447620), (2, 40223810), (4, 20111905), (5, 16089524), (10, 8044762), (11, 7313420), (20, 4022381), (22, 3656710), (37, 2174260), (44, 1828355), (55, 1462684), (74, 1087130), (110, 731342), (148, 543565), (185, 434852), (220, 365671), (370, 217426), (407, 197660), (740, 108713), (814, 98830), (1628, 49415), (2035, 39532), (4070, 19766), (8140, 9883)]