4005808

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{13177}}^1$

素因数の和:13204

約数の個数: 20

約数和(自身を含む): 8170360

約数和(自身を除く): 4164552

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 13177, 26354, 52708, 105416, 210832, 250363, 500726, 1001452, 2002904, 4005808]

約数ペア:

[(1, 4005808), (2, 2002904), (4, 1001452), (8, 500726), (16, 250363), (19, 210832), (38, 105416), (76, 52708), (152, 26354), (304, 13177)]