139651280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{56311}}^1$

素因数の和:56355

約数の個数: 40

約数和(自身を含む): 335169024

約数和(自身を除く): 195517744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 56311, 112622, 225244, 281555, 450488, 563110, 900976, 1126220, 1745641, 2252440, 3491282, 4504880, 6982564, 8728205, 13965128, 17456410, 27930256, 34912820, 69825640, 139651280]

約数ペア:

[(1, 139651280), (2, 69825640), (4, 34912820), (5, 27930256), (8, 17456410), (10, 13965128), (16, 8728205), (20, 6982564), (31, 4504880), (40, 3491282), (62, 2252440), (80, 1745641), (124, 1126220), (155, 900976), (248, 563110), (310, 450488), (496, 281555), (620, 225244), (1240, 112622), (2480, 56311)]