130938160

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{7757}}^1$

素因数の和:7981

約数の個数: 40

約数和(自身を含む): 305913456

約数和(自身を除く): 174975296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 7757, 8440, 15514, 16880, 31028, 38785, 62056, 77570, 124112, 155140, 310280, 620560, 1636727, 3273454, 6546908, 8183635, 13093816, 16367270, 26187632, 32734540, 65469080, 130938160]

約数ペア:

[(1, 130938160), (2, 65469080), (4, 32734540), (5, 26187632), (8, 16367270), (10, 13093816), (16, 8183635), (20, 6546908), (40, 3273454), (80, 1636727), (211, 620560), (422, 310280), (844, 155140), (1055, 124112), (1688, 77570), (2110, 62056), (3376, 38785), (4220, 31028), (7757, 16880), (8440, 15514)]