65092120

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{4099}}^1$

素因数の和:4507

約数の個数: 32

約数和(自身を含む): 146862000

約数和(自身を除く): 81769880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 4099, 7940, 8198, 15880, 16396, 20495, 32792, 40990, 81980, 163960, 1627303, 3254606, 6509212, 8136515, 13018424, 16273030, 32546060, 65092120]

約数ペア:

[(1, 65092120), (2, 32546060), (4, 16273030), (5, 13018424), (8, 8136515), (10, 6509212), (20, 3254606), (40, 1627303), (397, 163960), (794, 81980), (1588, 40990), (1985, 32792), (3176, 20495), (3970, 16396), (4099, 15880), (7940, 8198)]