131885560

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{25169}}^1$

素因数の和:25311

約数の個数: 32

約数和(自身を含む): 299019600

約数和(自身を除く): 167134040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 25169, 50338, 100676, 125845, 201352, 251690, 503380, 1006760, 3297139, 6594278, 13188556, 16485695, 26377112, 32971390, 65942780, 131885560]

約数ペア:

[(1, 131885560), (2, 65942780), (4, 32971390), (5, 26377112), (8, 16485695), (10, 13188556), (20, 6594278), (40, 3297139), (131, 1006760), (262, 503380), (524, 251690), (655, 201352), (1048, 125845), (1310, 100676), (2620, 50338), (5240, 25169)]