40480072

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{839}}^1$

素因数の和:1045

約数の個数: 32

約数和(自身を含む): 78523200

約数和(自身を除く): 38043128

約数列:

[1, 2, 4, 8, 37, 74, 148, 163, 296, 326, 652, 839, 1304, 1678, 3356, 6031, 6712, 12062, 24124, 31043, 48248, 62086, 124172, 136757, 248344, 273514, 547028, 1094056, 5060009, 10120018, 20240036, 40480072]

約数ペア:

[(1, 40480072), (2, 20240036), (4, 10120018), (8, 5060009), (37, 1094056), (74, 547028), (148, 273514), (163, 248344), (296, 136757), (326, 124172), (652, 62086), (839, 48248), (1304, 31043), (1678, 24124), (3356, 12062), (6031, 6712)]