12219760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{21821}}^1$

素因数の和:21841

約数の個数: 40

約数和(自身を含む): 32471136

約数和(自身を除く): 20251376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 21821, 43642, 87284, 109105, 152747, 174568, 218210, 305494, 349136, 436420, 610988, 763735, 872840, 1221976, 1527470, 1745680, 2443952, 3054940, 6109880, 12219760]

約数ペア:

[(1, 12219760), (2, 6109880), (4, 3054940), (5, 2443952), (7, 1745680), (8, 1527470), (10, 1221976), (14, 872840), (16, 763735), (20, 610988), (28, 436420), (35, 349136), (40, 305494), (56, 218210), (70, 174568), (80, 152747), (112, 109105), (140, 87284), (280, 43642), (560, 21821)]