8623580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1987}}^1$

素因数の和:2034

約数の個数: 48

約数和(自身を含む): 21374976

約数和(自身を除く): 12751396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 1987, 2170, 3974, 4340, 7948, 9935, 13909, 19870, 27818, 39740, 55636, 61597, 69545, 123194, 139090, 246388, 278180, 307985, 431179, 615970, 862358, 1231940, 1724716, 2155895, 4311790, 8623580]

約数ペア:

[(1, 8623580), (2, 4311790), (4, 2155895), (5, 1724716), (7, 1231940), (10, 862358), (14, 615970), (20, 431179), (28, 307985), (31, 278180), (35, 246388), (62, 139090), (70, 123194), (124, 69545), (140, 61597), (155, 55636), (217, 39740), (310, 27818), (434, 19870), (620, 13909), (868, 9935), (1085, 7948), (1987, 4340), (2170, 3974)]