28819360

素因数分解:

$2^5\times 5^1\times {\mathrm{281}}^1\times {\mathrm{641}}^1$

素因数の和:937

約数の個数: 48

約数和(自身を含む): 68434632

約数和(自身を除く): 39615272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 281, 562, 641, 1124, 1282, 1405, 2248, 2564, 2810, 3205, 4496, 5128, 5620, 6410, 8992, 10256, 11240, 12820, 20512, 22480, 25640, 44960, 51280, 102560, 180121, 360242, 720484, 900605, 1440968, 1801210, 2881936, 3602420, 5763872, 7204840, 14409680, 28819360]

約数ペア:

[(1, 28819360), (2, 14409680), (4, 7204840), (5, 5763872), (8, 3602420), (10, 2881936), (16, 1801210), (20, 1440968), (32, 900605), (40, 720484), (80, 360242), (160, 180121), (281, 102560), (562, 51280), (641, 44960), (1124, 25640), (1282, 22480), (1405, 20512), (2248, 12820), (2564, 11240), (2810, 10256), (3205, 8992), (4496, 6410), (5128, 5620)]