28744240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{51329}}^1$

素因数の和:51349

約数の個数: 40

約数和(自身を含む): 76379040

約数和(自身を除く): 47634800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 51329, 102658, 205316, 256645, 359303, 410632, 513290, 718606, 821264, 1026580, 1437212, 1796515, 2053160, 2874424, 3593030, 4106320, 5748848, 7186060, 14372120, 28744240]

約数ペア:

[(1, 28744240), (2, 14372120), (4, 7186060), (5, 5748848), (7, 4106320), (8, 3593030), (10, 2874424), (14, 2053160), (16, 1796515), (20, 1437212), (28, 1026580), (35, 821264), (40, 718606), (56, 513290), (70, 410632), (80, 359303), (112, 256645), (140, 205316), (280, 102658), (560, 51329)]