31819360

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2801}}^1$

素因数の和:2887

約数の個数: 48

約数和(自身を含む): 76259232

約数和(自身を除く): 44439872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2801, 2840, 5602, 5680, 11204, 11360, 14005, 22408, 28010, 44816, 56020, 89632, 112040, 198871, 224080, 397742, 448160, 795484, 994355, 1590968, 1988710, 3181936, 3977420, 6363872, 7954840, 15909680, 31819360]

約数ペア:

[(1, 31819360), (2, 15909680), (4, 7954840), (5, 6363872), (8, 3977420), (10, 3181936), (16, 1988710), (20, 1590968), (32, 994355), (40, 795484), (71, 448160), (80, 397742), (142, 224080), (160, 198871), (284, 112040), (355, 89632), (568, 56020), (710, 44816), (1136, 28010), (1420, 22408), (2272, 14005), (2801, 11360), (2840, 11204), (5602, 5680)]