72493840

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12763}}^1$

素因数の和:12847

約数の個数: 40

約数和(自身を含む): 170935488

約数和(自身を除く): 98441648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 12763, 25526, 51052, 63815, 102104, 127630, 204208, 255260, 510520, 906173, 1021040, 1812346, 3624692, 4530865, 7249384, 9061730, 14498768, 18123460, 36246920, 72493840]

約数ペア:

[(1, 72493840), (2, 36246920), (4, 18123460), (5, 14498768), (8, 9061730), (10, 7249384), (16, 4530865), (20, 3624692), (40, 1812346), (71, 1021040), (80, 906173), (142, 510520), (284, 255260), (355, 204208), (568, 127630), (710, 102104), (1136, 63815), (1420, 51052), (2840, 25526), (5680, 12763)]