1285383920

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{57179}}^1$

素因数の和:57473

約数の個数: 40

約数和(自身を含む): 2999205360

約数和(自身を除く): 1713821440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 562, 1124, 1405, 2248, 2810, 4496, 5620, 11240, 22480, 57179, 114358, 228716, 285895, 457432, 571790, 914864, 1143580, 2287160, 4574320, 16067299, 32134598, 64269196, 80336495, 128538392, 160672990, 257076784, 321345980, 642691960, 1285383920]

約数ペア:

[(1, 1285383920), (2, 642691960), (4, 321345980), (5, 257076784), (8, 160672990), (10, 128538392), (16, 80336495), (20, 64269196), (40, 32134598), (80, 16067299), (281, 4574320), (562, 2287160), (1124, 1143580), (1405, 914864), (2248, 571790), (2810, 457432), (4496, 285895), (5620, 228716), (11240, 114358), (22480, 57179)]