15139760

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1951}}^1$

素因数の和:2061

約数の個数: 40

約数和(自身を含む): 35581056

約数和(自身を除く): 20441296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 1951, 3880, 3902, 7760, 7804, 9755, 15608, 19510, 31216, 39020, 78040, 156080, 189247, 378494, 756988, 946235, 1513976, 1892470, 3027952, 3784940, 7569880, 15139760]

約数ペア:

[(1, 15139760), (2, 7569880), (4, 3784940), (5, 3027952), (8, 1892470), (10, 1513976), (16, 946235), (20, 756988), (40, 378494), (80, 189247), (97, 156080), (194, 78040), (388, 39020), (485, 31216), (776, 19510), (970, 15608), (1552, 9755), (1940, 7804), (1951, 7760), (3880, 3902)]