41280820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4153}}^1$

素因数の和:4240

約数の個数: 48

約数和(自身を含む): 100493568

約数和(自身を除く): 59212748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4153, 4970, 8306, 9940, 16612, 20765, 29071, 41530, 58142, 83060, 116284, 145355, 290710, 294863, 581420, 589726, 1179452, 1474315, 2064041, 2948630, 4128082, 5897260, 8256164, 10320205, 20640410, 41280820]

約数ペア:

[(1, 41280820), (2, 20640410), (4, 10320205), (5, 8256164), (7, 5897260), (10, 4128082), (14, 2948630), (20, 2064041), (28, 1474315), (35, 1179452), (70, 589726), (71, 581420), (140, 294863), (142, 290710), (284, 145355), (355, 116284), (497, 83060), (710, 58142), (994, 41530), (1420, 29071), (1988, 20765), (2485, 16612), (4153, 9940), (4970, 8306)]