40864510

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2161}}^1$

素因数の和:2260

約数の個数: 32

約数和(自身を含む): 77209344

約数和(自身を除く): 36344834

約数列:

[1, 2, 5, 10, 31, 61, 62, 122, 155, 305, 310, 610, 1891, 2161, 3782, 4322, 9455, 10805, 18910, 21610, 66991, 131821, 133982, 263642, 334955, 659105, 669910, 1318210, 4086451, 8172902, 20432255, 40864510]

約数ペア:

[(1, 40864510), (2, 20432255), (5, 8172902), (10, 4086451), (31, 1318210), (61, 669910), (62, 659105), (122, 334955), (155, 263642), (305, 133982), (310, 131821), (610, 66991), (1891, 21610), (2161, 18910), (3782, 10805), (4322, 9455)]