56361560

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{23099}}^1$

素因数の和:23171

約数の個数: 32

約数和(自身を含む): 128898000

約数和(自身を除く): 72536440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 23099, 46198, 92396, 115495, 184792, 230990, 461980, 923960, 1409039, 2818078, 5636156, 7045195, 11272312, 14090390, 28180780, 56361560]

約数ペア:

[(1, 56361560), (2, 28180780), (4, 14090390), (5, 11272312), (8, 7045195), (10, 5636156), (20, 2818078), (40, 1409039), (61, 923960), (122, 461980), (244, 230990), (305, 184792), (488, 115495), (610, 92396), (1220, 46198), (2440, 23099)]