15899690890

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2251}}^1\times {\mathrm{8941}}^1$

素因数の和:11278

約数の個数: 32

約数和(自身を含む): 28997832960

約数和(自身を除く): 13098142070

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 2251, 4502, 8941, 11255, 17882, 22510, 44705, 89410, 177829, 355658, 706339, 889145, 1412678, 1778290, 3531695, 7063390, 20126191, 40252382, 100630955, 201261910, 1589969089, 3179938178, 7949845445, 15899690890]

約数ペア:

[(1, 15899690890), (2, 7949845445), (5, 3179938178), (10, 1589969089), (79, 201261910), (158, 100630955), (395, 40252382), (790, 20126191), (2251, 7063390), (4502, 3531695), (8941, 1778290), (11255, 1412678), (17882, 889145), (22510, 706339), (44705, 355658), (89410, 177829)]