80871970

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{569}}^1$

素因数の和:870

約数の個数: 32

約数和(自身を含む): 148852080

約数和(自身を除く): 67980110

約数列:

[1, 2, 5, 10, 61, 122, 233, 305, 466, 569, 610, 1138, 1165, 2330, 2845, 5690, 14213, 28426, 34709, 69418, 71065, 132577, 142130, 173545, 265154, 347090, 662885, 1325770, 8087197, 16174394, 40435985, 80871970]

約数ペア:

[(1, 80871970), (2, 40435985), (5, 16174394), (10, 8087197), (61, 1325770), (122, 662885), (233, 347090), (305, 265154), (466, 173545), (569, 142130), (610, 132577), (1138, 71065), (1165, 69418), (2330, 34709), (2845, 28426), (5690, 14213)]