12214640

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2503}}^1$

素因数の和:2577

約数の個数: 40

約数和(自身を含む): 28876128

約数和(自身を除く): 16661488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 2503, 4880, 5006, 10012, 12515, 20024, 25030, 40048, 50060, 100120, 152683, 200240, 305366, 610732, 763415, 1221464, 1526830, 2442928, 3053660, 6107320, 12214640]

約数ペア:

[(1, 12214640), (2, 6107320), (4, 3053660), (5, 2442928), (8, 1526830), (10, 1221464), (16, 763415), (20, 610732), (40, 305366), (61, 200240), (80, 152683), (122, 100120), (244, 50060), (305, 40048), (488, 25030), (610, 20024), (976, 12515), (1220, 10012), (2440, 5006), (2503, 4880)]