13335800

素因数分解:

$2^3\times 5^2\times {\mathrm{131}}^1\times {\mathrm{509}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 31303800

約数和(自身を除く): 17968000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 131, 200, 262, 509, 524, 655, 1018, 1048, 1310, 2036, 2545, 2620, 3275, 4072, 5090, 5240, 6550, 10180, 12725, 13100, 20360, 25450, 26200, 50900, 66679, 101800, 133358, 266716, 333395, 533432, 666790, 1333580, 1666975, 2667160, 3333950, 6667900, 13335800]

約数ペア:

[(1, 13335800), (2, 6667900), (4, 3333950), (5, 2667160), (8, 1666975), (10, 1333580), (20, 666790), (25, 533432), (40, 333395), (50, 266716), (100, 133358), (131, 101800), (200, 66679), (262, 50900), (509, 26200), (524, 25450), (655, 20360), (1018, 13100), (1048, 12725), (1310, 10180), (2036, 6550), (2545, 5240), (2620, 5090), (3275, 4072)]