39640825

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 59460480

約数和(自身を除く): 19819655

約数列:

[1, 5, 7, 25, 29, 35, 73, 107, 145, 175, 203, 365, 511, 535, 725, 749, 1015, 1825, 2117, 2555, 2675, 3103, 3745, 5075, 7811, 10585, 12775, 14819, 15515, 18725, 21721, 39055, 52925, 54677, 74095, 77575, 108605, 195275, 226519, 273385, 370475, 543025, 1132595, 1366925, 1585633, 5662975, 7928165, 39640825]

約数ペア:

[(1, 39640825), (5, 7928165), (7, 5662975), (25, 1585633), (29, 1366925), (35, 1132595), (73, 543025), (107, 370475), (145, 273385), (175, 226519), (203, 195275), (365, 108605), (511, 77575), (535, 74095), (725, 54677), (749, 52925), (1015, 39055), (1825, 21721), (2117, 18725), (2555, 15515), (2675, 14819), (3103, 12775), (3745, 10585), (5075, 7811)]