12405680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{22153}}^1$

素因数の和:22173

約数の個数: 40

約数和(自身を含む): 32965152

約数和(自身を除く): 20559472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 22153, 44306, 88612, 110765, 155071, 177224, 221530, 310142, 354448, 443060, 620284, 775355, 886120, 1240568, 1550710, 1772240, 2481136, 3101420, 6202840, 12405680]

約数ペア:

[(1, 12405680), (2, 6202840), (4, 3101420), (5, 2481136), (7, 1772240), (8, 1550710), (10, 1240568), (14, 886120), (16, 775355), (20, 620284), (28, 443060), (35, 354448), (40, 310142), (56, 221530), (70, 177224), (80, 155071), (112, 110765), (140, 88612), (280, 44306), (560, 22153)]