80042420

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1\times {\mathrm{331}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 171678528

約数和(自身を除く): 91636108

約数列:

[1, 2, 4, 5, 10, 20, 107, 113, 214, 226, 331, 428, 452, 535, 565, 662, 1070, 1130, 1324, 1655, 2140, 2260, 3310, 6620, 12091, 24182, 35417, 37403, 48364, 60455, 70834, 74806, 120910, 141668, 149612, 177085, 187015, 241820, 354170, 374030, 708340, 748060, 4002121, 8004242, 16008484, 20010605, 40021210, 80042420]

約数ペア:

[(1, 80042420), (2, 40021210), (4, 20010605), (5, 16008484), (10, 8004242), (20, 4002121), (107, 748060), (113, 708340), (214, 374030), (226, 354170), (331, 241820), (428, 187015), (452, 177085), (535, 149612), (565, 141668), (662, 120910), (1070, 74806), (1130, 70834), (1324, 60455), (1655, 48364), (2140, 37403), (2260, 35417), (3310, 24182), (6620, 12091)]