157972880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151897}}^1$

素因数の和:151923

約数の個数: 40

約数和(自身を含む): 395542392

約数和(自身を除く): 237569512

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 151897, 303794, 607588, 759485, 1215176, 1518970, 1974661, 2430352, 3037940, 3949322, 6075880, 7898644, 9873305, 12151760, 15797288, 19746610, 31594576, 39493220, 78986440, 157972880]

約数ペア:

[(1, 157972880), (2, 78986440), (4, 39493220), (5, 31594576), (8, 19746610), (10, 15797288), (13, 12151760), (16, 9873305), (20, 7898644), (26, 6075880), (40, 3949322), (52, 3037940), (65, 2430352), (80, 1974661), (104, 1518970), (130, 1215176), (208, 759485), (260, 607588), (520, 303794), (1040, 151897)]