28068640

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5659}}^1$

素因数の和:5705

約数の個数: 48

約数和(自身を含む): 68463360

約数和(自身を除く): 40394720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 5659, 11318, 22636, 28295, 45272, 56590, 90544, 113180, 175429, 181088, 226360, 350858, 452720, 701716, 877145, 905440, 1403432, 1754290, 2806864, 3508580, 5613728, 7017160, 14034320, 28068640]

約数ペア:

[(1, 28068640), (2, 14034320), (4, 7017160), (5, 5613728), (8, 3508580), (10, 2806864), (16, 1754290), (20, 1403432), (31, 905440), (32, 877145), (40, 701716), (62, 452720), (80, 350858), (124, 226360), (155, 181088), (160, 175429), (248, 113180), (310, 90544), (496, 56590), (620, 45272), (992, 28295), (1240, 22636), (2480, 11318), (4960, 5659)]