9961240

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1901}}^1$

素因数の和:2043

約数の個数: 32

約数和(自身を含む): 22595760

約数和(自身を除く): 12634520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 1901, 2620, 3802, 5240, 7604, 9505, 15208, 19010, 38020, 76040, 249031, 498062, 996124, 1245155, 1992248, 2490310, 4980620, 9961240]

約数ペア:

[(1, 9961240), (2, 4980620), (4, 2490310), (5, 1992248), (8, 1245155), (10, 996124), (20, 498062), (40, 249031), (131, 76040), (262, 38020), (524, 19010), (655, 15208), (1048, 9505), (1310, 7604), (1901, 5240), (2620, 3802)]