251008040

素因数分解:

$2^3\times 5^1\times {\mathrm{1901}}^1\times {\mathrm{3301}}^1$

素因数の和:5213

約数の個数: 32

約数和(自身を含む): 565236360

約数和(自身を除く): 314228320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1901, 3301, 3802, 6602, 7604, 9505, 13204, 15208, 16505, 19010, 26408, 33010, 38020, 66020, 76040, 132040, 6275201, 12550402, 25100804, 31376005, 50201608, 62752010, 125504020, 251008040]

約数ペア:

[(1, 251008040), (2, 125504020), (4, 62752010), (5, 50201608), (8, 31376005), (10, 25100804), (20, 12550402), (40, 6275201), (1901, 132040), (3301, 76040), (3802, 66020), (6602, 38020), (7604, 33010), (9505, 26408), (13204, 19010), (15208, 16505)]