31044880

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1381}}^1$

素因数の和:1675

約数の個数: 40

約数和(自身を含む): 72488664

約数和(自身を除く): 41443784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 562, 1124, 1381, 1405, 2248, 2762, 2810, 4496, 5524, 5620, 6905, 11048, 11240, 13810, 22096, 22480, 27620, 55240, 110480, 388061, 776122, 1552244, 1940305, 3104488, 3880610, 6208976, 7761220, 15522440, 31044880]

約数ペア:

[(1, 31044880), (2, 15522440), (4, 7761220), (5, 6208976), (8, 3880610), (10, 3104488), (16, 1940305), (20, 1552244), (40, 776122), (80, 388061), (281, 110480), (562, 55240), (1124, 27620), (1381, 22480), (1405, 22096), (2248, 13810), (2762, 11240), (2810, 11048), (4496, 6905), (5524, 5620)]