87720784

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{2087}}^1$

素因数の和:2203

約数の個数: 40

約数和(自身を含む): 177095808

約数和(自身を除く): 89375024

約数列:

[1, 2, 4, 8, 16, 37, 71, 74, 142, 148, 284, 296, 568, 592, 1136, 2087, 2627, 4174, 5254, 8348, 10508, 16696, 21016, 33392, 42032, 77219, 148177, 154438, 296354, 308876, 592708, 617752, 1185416, 1235504, 2370832, 5482549, 10965098, 21930196, 43860392, 87720784]

約数ペア:

[(1, 87720784), (2, 43860392), (4, 21930196), (8, 10965098), (16, 5482549), (37, 2370832), (71, 1235504), (74, 1185416), (142, 617752), (148, 592708), (284, 308876), (296, 296354), (568, 154438), (592, 148177), (1136, 77219), (2087, 42032), (2627, 33392), (4174, 21016), (5254, 16696), (8348, 10508)]