80811940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19333}}^1$

素因数の和:19372

約数の個数: 48

約数和(自身を含む): 194886720

約数和(自身を除く): 114074780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 19333, 38666, 77332, 96665, 193330, 212663, 367327, 386660, 425326, 734654, 850652, 1063315, 1469308, 1836635, 2126630, 3673270, 4040597, 4253260, 7346540, 8081194, 16162388, 20202985, 40405970, 80811940]

約数ペア:

[(1, 80811940), (2, 40405970), (4, 20202985), (5, 16162388), (10, 8081194), (11, 7346540), (19, 4253260), (20, 4040597), (22, 3673270), (38, 2126630), (44, 1836635), (55, 1469308), (76, 1063315), (95, 850652), (110, 734654), (190, 425326), (209, 386660), (220, 367327), (380, 212663), (418, 193330), (836, 96665), (1045, 77332), (2090, 38666), (4180, 19333)]