15285880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20113}}^1$

素因数の和:20143

約数の個数: 32

約数和(自身を含む): 36205200

約数和(自身を除く): 20919320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 20113, 40226, 80452, 100565, 160904, 201130, 382147, 402260, 764294, 804520, 1528588, 1910735, 3057176, 3821470, 7642940, 15285880]

約数ペア:

[(1, 15285880), (2, 7642940), (4, 3821470), (5, 3057176), (8, 1910735), (10, 1528588), (19, 804520), (20, 764294), (38, 402260), (40, 382147), (76, 201130), (95, 160904), (152, 100565), (190, 80452), (380, 40226), (760, 20113)]