78635440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75611}}^1$

素因数の和:75637

約数の個数: 40

約数和(自身を含む): 196893648

約数和(自身を除く): 118258208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 75611, 151222, 302444, 378055, 604888, 756110, 982943, 1209776, 1512220, 1965886, 3024440, 3931772, 4914715, 6048880, 7863544, 9829430, 15727088, 19658860, 39317720, 78635440]

約数ペア:

[(1, 78635440), (2, 39317720), (4, 19658860), (5, 15727088), (8, 9829430), (10, 7863544), (13, 6048880), (16, 4914715), (20, 3931772), (26, 3024440), (40, 1965886), (52, 1512220), (65, 1209776), (80, 982943), (104, 756110), (130, 604888), (208, 378055), (260, 302444), (520, 151222), (1040, 75611)]