81788960

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{46471}}^1$

素因数の和:46497

約数の個数: 48

約数和(自身を含む): 210796992

約数和(自身を除く): 129008032

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 46471, 92942, 185884, 232355, 371768, 464710, 511181, 743536, 929420, 1022362, 1487072, 1858840, 2044724, 2555905, 3717680, 4089448, 5111810, 7435360, 8178896, 10223620, 16357792, 20447240, 40894480, 81788960]

約数ペア:

[(1, 81788960), (2, 40894480), (4, 20447240), (5, 16357792), (8, 10223620), (10, 8178896), (11, 7435360), (16, 5111810), (20, 4089448), (22, 3717680), (32, 2555905), (40, 2044724), (44, 1858840), (55, 1487072), (80, 1022362), (88, 929420), (110, 743536), (160, 511181), (176, 464710), (220, 371768), (352, 232355), (440, 185884), (880, 92942), (1760, 46471)]