22045220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 48384000

約数和(自身を除く): 26338780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 191, 199, 290, 382, 398, 580, 764, 796, 955, 995, 1910, 1990, 3820, 3980, 5539, 5771, 11078, 11542, 22156, 23084, 27695, 28855, 38009, 55390, 57710, 76018, 110780, 115420, 152036, 190045, 380090, 760180, 1102261, 2204522, 4409044, 5511305, 11022610, 22045220]

約数ペア:

[(1, 22045220), (2, 11022610), (4, 5511305), (5, 4409044), (10, 2204522), (20, 1102261), (29, 760180), (58, 380090), (116, 190045), (145, 152036), (191, 115420), (199, 110780), (290, 76018), (382, 57710), (398, 55390), (580, 38009), (764, 28855), (796, 27695), (955, 23084), (995, 22156), (1910, 11542), (1990, 11078), (3820, 5771), (3980, 5539)]