28754360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23189}}^1$

素因数の和:23231

約数の個数: 32

約数和(自身を含む): 66787200

約数和(自身を除く): 38032840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 23189, 46378, 92756, 115945, 185512, 231890, 463780, 718859, 927560, 1437718, 2875436, 3594295, 5750872, 7188590, 14377180, 28754360]

約数ペア:

[(1, 28754360), (2, 14377180), (4, 7188590), (5, 5750872), (8, 3594295), (10, 2875436), (20, 1437718), (31, 927560), (40, 718859), (62, 463780), (124, 231890), (155, 185512), (248, 115945), (310, 92756), (620, 46378), (1240, 23189)]