64457240

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{12301}}^1$

素因数の和:12443

約数の個数: 32

約数和(自身を含む): 146147760

約数和(自身を除く): 81690520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 12301, 24602, 49204, 61505, 98408, 123010, 246020, 492040, 1611431, 3222862, 6445724, 8057155, 12891448, 16114310, 32228620, 64457240]

約数ペア:

[(1, 64457240), (2, 32228620), (4, 16114310), (5, 12891448), (8, 8057155), (10, 6445724), (20, 3222862), (40, 1611431), (131, 492040), (262, 246020), (524, 123010), (655, 98408), (1048, 61505), (1310, 49204), (2620, 24602), (5240, 12301)]