139207280

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{6421}}^1$

素因数の和:6705

約数の個数: 40

約数和(自身を含む): 324901824

約数和(自身を除く): 185694544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 2168, 2710, 4336, 5420, 6421, 10840, 12842, 21680, 25684, 32105, 51368, 64210, 102736, 128420, 256840, 513680, 1740091, 3480182, 6960364, 8700455, 13920728, 17400910, 27841456, 34801820, 69603640, 139207280]

約数ペア:

[(1, 139207280), (2, 69603640), (4, 34801820), (5, 27841456), (8, 17400910), (10, 13920728), (16, 8700455), (20, 6960364), (40, 3480182), (80, 1740091), (271, 513680), (542, 256840), (1084, 128420), (1355, 102736), (2168, 64210), (2710, 51368), (4336, 32105), (5420, 25684), (6421, 21680), (10840, 12842)]