12951260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1171}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 31503360

約数和(自身を除く): 18552100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1171, 1580, 2212, 2342, 2765, 4684, 5530, 5855, 8197, 11060, 11710, 16394, 23420, 32788, 40985, 81970, 92509, 163940, 185018, 370036, 462545, 647563, 925090, 1295126, 1850180, 2590252, 3237815, 6475630, 12951260]

約数ペア:

[(1, 12951260), (2, 6475630), (4, 3237815), (5, 2590252), (7, 1850180), (10, 1295126), (14, 925090), (20, 647563), (28, 462545), (35, 370036), (70, 185018), (79, 163940), (140, 92509), (158, 81970), (316, 40985), (395, 32788), (553, 23420), (790, 16394), (1106, 11710), (1171, 11060), (1580, 8197), (2212, 5855), (2342, 5530), (2765, 4684)]