88544440

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{6983}}^1$

素因数の和:7311

約数の個数: 32

約数和(自身を含む): 199882080

約数和(自身を除く): 111337640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6340, 6983, 12680, 13966, 27932, 34915, 55864, 69830, 139660, 279320, 2213611, 4427222, 8854444, 11068055, 17708888, 22136110, 44272220, 88544440]

約数ペア:

[(1, 88544440), (2, 44272220), (4, 22136110), (5, 17708888), (8, 11068055), (10, 8854444), (20, 4427222), (40, 2213611), (317, 279320), (634, 139660), (1268, 69830), (1585, 55864), (2536, 34915), (3170, 27932), (6340, 13966), (6983, 12680)]