88661980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21211}}^1$

素因数の和:21250

約数の個数: 48

約数和(自身を含む): 213816960

約数和(自身を除く): 125154980

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, 21211, 42422, 84844, 106055, 212110, 233321, 403009, 424220, 466642, 806018, 933284, 1166605, 1612036, 2015045, 2333210, 4030090, 4433099, 4666420, 8060180, 8866198, 17732396, 22165495, 44330990, 88661980]

約数ペア:

[(1, 88661980), (2, 44330990), (4, 22165495), (5, 17732396), (10, 8866198), (11, 8060180), (19, 4666420), (20, 4433099), (22, 4030090), (38, 2333210), (44, 2015045), (55, 1612036), (76, 1166605), (95, 933284), (110, 806018), (190, 466642), (209, 424220), (220, 403009), (380, 233321), (418, 212110), (836, 106055), (1045, 84844), (2090, 42422), (4180, 21211)]