80478190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{21347}}^1$

素因数の和:21396

約数の個数: 32

約数和(自身を含む): 161390880

約数和(自身を除く): 80912690

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 21347, 42694, 106735, 213470, 277511, 555022, 619063, 1238126, 1387555, 2775110, 3095315, 6190630, 8047819, 16095638, 40239095, 80478190]

約数ペア:

[(1, 80478190), (2, 40239095), (5, 16095638), (10, 8047819), (13, 6190630), (26, 3095315), (29, 2775110), (58, 1387555), (65, 1238126), (130, 619063), (145, 555022), (290, 277511), (377, 213470), (754, 106735), (1885, 42694), (3770, 21347)]