28122800

素因数分解:

$2^4\times 5^2\times {\mathrm{167}}^1\times {\mathrm{421}}^1$

素因数の和:606

約数の個数: 60

約数和(自身を含む): 68131056

約数和(自身を除く): 40008256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 167, 200, 334, 400, 421, 668, 835, 842, 1336, 1670, 1684, 2105, 2672, 3340, 3368, 4175, 4210, 6680, 6736, 8350, 8420, 10525, 13360, 16700, 16840, 21050, 33400, 33680, 42100, 66800, 70307, 84200, 140614, 168400, 281228, 351535, 562456, 703070, 1124912, 1406140, 1757675, 2812280, 3515350, 5624560, 7030700, 14061400, 28122800]

約数ペア:

[(1, 28122800), (2, 14061400), (4, 7030700), (5, 5624560), (8, 3515350), (10, 2812280), (16, 1757675), (20, 1406140), (25, 1124912), (40, 703070), (50, 562456), (80, 351535), (100, 281228), (167, 168400), (200, 140614), (334, 84200), (400, 70307), (421, 66800), (668, 42100), (835, 33680), (842, 33400), (1336, 21050), (1670, 16840), (1684, 16700), (2105, 13360), (2672, 10525), (3340, 8420), (3368, 8350), (4175, 6736), (4210, 6680)]