131235800

素因数分解:

$2^3\times 5^2\times {\mathrm{131}}^1\times {\mathrm{5009}}^1$

素因数の和:5156

約数の個数: 48

約数和(自身を含む): 307513800

約数和(自身を除く): 176278000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 131, 200, 262, 524, 655, 1048, 1310, 2620, 3275, 5009, 5240, 6550, 10018, 13100, 20036, 25045, 26200, 40072, 50090, 100180, 125225, 200360, 250450, 500900, 656179, 1001800, 1312358, 2624716, 3280895, 5249432, 6561790, 13123580, 16404475, 26247160, 32808950, 65617900, 131235800]

約数ペア:

[(1, 131235800), (2, 65617900), (4, 32808950), (5, 26247160), (8, 16404475), (10, 13123580), (20, 6561790), (25, 5249432), (40, 3280895), (50, 2624716), (100, 1312358), (131, 1001800), (200, 656179), (262, 500900), (524, 250450), (655, 200360), (1048, 125225), (1310, 100180), (2620, 50090), (3275, 40072), (5009, 26200), (5240, 25045), (6550, 20036), (10018, 13100)]