40860170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10139}}^1$

素因数の和:10190

約数の個数: 32

約数和(自身を含む): 81768960

約数和(自身を除く): 40908790

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 10139, 20278, 50695, 101390, 131807, 263614, 314309, 628618, 659035, 1318070, 1571545, 3143090, 4086017, 8172034, 20430085, 40860170]

約数ペア:

[(1, 40860170), (2, 20430085), (5, 8172034), (10, 4086017), (13, 3143090), (26, 1571545), (31, 1318070), (62, 659035), (65, 628618), (130, 314309), (155, 263614), (310, 131807), (403, 101390), (806, 50695), (2015, 20278), (4030, 10139)]