74138480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71287}}^1$

素因数の和:71313

約数の個数: 40

約数和(自身を含む): 185633952

約数和(自身を除く): 111495472

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 71287, 142574, 285148, 356435, 570296, 712870, 926731, 1140592, 1425740, 1853462, 2851480, 3706924, 4633655, 5702960, 7413848, 9267310, 14827696, 18534620, 37069240, 74138480]

約数ペア:

[(1, 74138480), (2, 37069240), (4, 18534620), (5, 14827696), (8, 9267310), (10, 7413848), (13, 5702960), (16, 4633655), (20, 3706924), (26, 2851480), (40, 1853462), (52, 1425740), (65, 1140592), (80, 926731), (104, 712870), (130, 570296), (208, 356435), (260, 285148), (520, 142574), (1040, 71287)]