12605240

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3989}}^1$

素因数の和:4079

約数の個数: 32

約数和(自身を含む): 28728000

約数和(自身を除く): 16122760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 3989, 7978, 15956, 19945, 31912, 39890, 79780, 159560, 315131, 630262, 1260524, 1575655, 2521048, 3151310, 6302620, 12605240]

約数ペア:

[(1, 12605240), (2, 6302620), (4, 3151310), (5, 2521048), (8, 1575655), (10, 1260524), (20, 630262), (40, 315131), (79, 159560), (158, 79780), (316, 39890), (395, 31912), (632, 19945), (790, 15956), (1580, 7978), (3160, 3989)]