28735760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11587}}^1$

素因数の和:11631

約数の個数: 40

約数和(自身を含む): 68971776

約数和(自身を除く): 40236016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 11587, 23174, 46348, 57935, 92696, 115870, 185392, 231740, 359197, 463480, 718394, 926960, 1436788, 1795985, 2873576, 3591970, 5747152, 7183940, 14367880, 28735760]

約数ペア:

[(1, 28735760), (2, 14367880), (4, 7183940), (5, 5747152), (8, 3591970), (10, 2873576), (16, 1795985), (20, 1436788), (31, 926960), (40, 718394), (62, 463480), (80, 359197), (124, 231740), (155, 185392), (248, 115870), (310, 92696), (496, 57935), (620, 46348), (1240, 23174), (2480, 11587)]