26940080

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1409}}^1$

素因数の和:1661

約数の個数: 40

約数和(自身を含む): 62942400

約数和(自身を除く): 36002320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1409, 1912, 2390, 2818, 3824, 4780, 5636, 7045, 9560, 11272, 14090, 19120, 22544, 28180, 56360, 112720, 336751, 673502, 1347004, 1683755, 2694008, 3367510, 5388016, 6735020, 13470040, 26940080]

約数ペア:

[(1, 26940080), (2, 13470040), (4, 6735020), (5, 5388016), (8, 3367510), (10, 2694008), (16, 1683755), (20, 1347004), (40, 673502), (80, 336751), (239, 112720), (478, 56360), (956, 28180), (1195, 22544), (1409, 19120), (1912, 14090), (2390, 11272), (2818, 9560), (3824, 7045), (4780, 5636)]