40666730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10091}}^1$

素因数の和:10142

約数の個数: 32

約数和(自身を含む): 81381888

約数和(自身を除く): 40715158

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 10091, 20182, 50455, 100910, 131183, 262366, 312821, 625642, 655915, 1311830, 1564105, 3128210, 4066673, 8133346, 20333365, 40666730]

約数ペア:

[(1, 40666730), (2, 20333365), (5, 8133346), (10, 4066673), (13, 3128210), (26, 1564105), (31, 1311830), (62, 655915), (65, 625642), (130, 312821), (155, 262366), (310, 131183), (403, 100910), (806, 50455), (2015, 20182), (4030, 10091)]