80955460

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^2\times {\mathrm{317}}^1$

素因数の和:552

約数の個数: 36

約数和(自身を含む): 172065348

約数和(自身を除く): 91109888

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 317, 452, 565, 634, 1130, 1268, 1585, 2260, 3170, 6340, 12769, 25538, 35821, 51076, 63845, 71642, 127690, 143284, 179105, 255380, 358210, 716420, 4047773, 8095546, 16191092, 20238865, 40477730, 80955460]

約数ペア:

[(1, 80955460), (2, 40477730), (4, 20238865), (5, 16191092), (10, 8095546), (20, 4047773), (113, 716420), (226, 358210), (317, 255380), (452, 179105), (565, 143284), (634, 127690), (1130, 71642), (1268, 63845), (1585, 51076), (2260, 35821), (3170, 25538), (6340, 12769)]