202311640

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{10301}}^1$

素因数の和:10803

約数の個数: 32

約数和(自身を含む): 456172560

約数和(自身を除く): 253860920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3928, 4910, 9820, 10301, 19640, 20602, 41204, 51505, 82408, 103010, 206020, 412040, 5057791, 10115582, 20231164, 25288955, 40462328, 50577910, 101155820, 202311640]

約数ペア:

[(1, 202311640), (2, 101155820), (4, 50577910), (5, 40462328), (8, 25288955), (10, 20231164), (20, 10115582), (40, 5057791), (491, 412040), (982, 206020), (1964, 103010), (2455, 82408), (3928, 51505), (4910, 41204), (9820, 20602), (10301, 19640)]