28754920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{19429}}^1$

素因数の和:19477

約数の個数: 32

約数和(自身を含む): 66450600

約数和(自身を除く): 37695680

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 19429, 38858, 77716, 97145, 155432, 194290, 388580, 718873, 777160, 1437746, 2875492, 3594365, 5750984, 7188730, 14377460, 28754920]

約数ペア:

[(1, 28754920), (2, 14377460), (4, 7188730), (5, 5750984), (8, 3594365), (10, 2875492), (20, 1437746), (37, 777160), (40, 718873), (74, 388580), (148, 194290), (185, 155432), (296, 97145), (370, 77716), (740, 38858), (1480, 19429)]