71079280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28661}}^1$

素因数の和:28705

約数の個数: 40

約数和(自身を含む): 170596224

約数和(自身を除く): 99516944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 28661, 57322, 114644, 143305, 229288, 286610, 458576, 573220, 888491, 1146440, 1776982, 2292880, 3553964, 4442455, 7107928, 8884910, 14215856, 17769820, 35539640, 71079280]

約数ペア:

[(1, 71079280), (2, 35539640), (4, 17769820), (5, 14215856), (8, 8884910), (10, 7107928), (16, 4442455), (20, 3553964), (31, 2292880), (40, 1776982), (62, 1146440), (80, 888491), (124, 573220), (155, 458576), (248, 286610), (310, 229288), (496, 143305), (620, 114644), (1240, 57322), (2480, 28661)]