11460820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1153}}^1$

素因数の和:1240

約数の個数: 48

約数和(自身を含む): 27917568

約数和(自身を除く): 16456748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1153, 1420, 1988, 2306, 2485, 4612, 4970, 5765, 8071, 9940, 11530, 16142, 23060, 32284, 40355, 80710, 81863, 161420, 163726, 327452, 409315, 573041, 818630, 1146082, 1637260, 2292164, 2865205, 5730410, 11460820]

約数ペア:

[(1, 11460820), (2, 5730410), (4, 2865205), (5, 2292164), (7, 1637260), (10, 1146082), (14, 818630), (20, 573041), (28, 409315), (35, 327452), (70, 163726), (71, 161420), (140, 81863), (142, 80710), (284, 40355), (355, 32284), (497, 23060), (710, 16142), (994, 11530), (1153, 9940), (1420, 8071), (1988, 5765), (2306, 4970), (2485, 4612)]