129366920

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{28621}}^1$

素因数の和:28745

約数の個数: 32

約数和(自身を含む): 293661720

約数和(自身を除く): 164294800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 28621, 57242, 114484, 143105, 228968, 286210, 572420, 1144840, 3234173, 6468346, 12936692, 16170865, 25873384, 32341730, 64683460, 129366920]

約数ペア:

[(1, 129366920), (2, 64683460), (4, 32341730), (5, 25873384), (8, 16170865), (10, 12936692), (20, 6468346), (40, 3234173), (113, 1144840), (226, 572420), (452, 286210), (565, 228968), (904, 143105), (1130, 114484), (2260, 57242), (4520, 28621)]