72181820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{4241}}^1$

素因数の和:4310

約数の個数: 48

約数和(自身を含む): 162485568

約数和(自身を除く): 90303748

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 460, 740, 851, 1702, 3404, 4241, 4255, 8482, 8510, 16964, 17020, 21205, 42410, 84820, 97543, 156917, 195086, 313834, 390172, 487715, 627668, 784585, 975430, 1569170, 1950860, 3138340, 3609091, 7218182, 14436364, 18045455, 36090910, 72181820]

約数ペア:

[(1, 72181820), (2, 36090910), (4, 18045455), (5, 14436364), (10, 7218182), (20, 3609091), (23, 3138340), (37, 1950860), (46, 1569170), (74, 975430), (92, 784585), (115, 627668), (148, 487715), (185, 390172), (230, 313834), (370, 195086), (460, 156917), (740, 97543), (851, 84820), (1702, 42410), (3404, 21205), (4241, 17020), (4255, 16964), (8482, 8510)]