83112500

素因数分解:

$2^2\times 5^5\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 186472440

約数和(自身を除く): 103359940

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 109, 122, 125, 218, 244, 250, 305, 436, 500, 545, 610, 625, 1090, 1220, 1250, 1525, 2180, 2500, 2725, 3050, 3125, 5450, 6100, 6250, 6649, 7625, 10900, 12500, 13298, 13625, 15250, 26596, 27250, 30500, 33245, 38125, 54500, 66490, 68125, 76250, 132980, 136250, 152500, 166225, 190625, 272500, 332450, 340625, 381250, 664900, 681250, 762500, 831125, 1362500, 1662250, 3324500, 4155625, 8311250, 16622500, 20778125, 41556250, 83112500]

約数ペア:

[(1, 83112500), (2, 41556250), (4, 20778125), (5, 16622500), (10, 8311250), (20, 4155625), (25, 3324500), (50, 1662250), (61, 1362500), (100, 831125), (109, 762500), (122, 681250), (125, 664900), (218, 381250), (244, 340625), (250, 332450), (305, 272500), (436, 190625), (500, 166225), (545, 152500), (610, 136250), (625, 132980), (1090, 76250), (1220, 68125), (1250, 66490), (1525, 54500), (2180, 38125), (2500, 33245), (2725, 30500), (3050, 27250), (3125, 26596), (5450, 15250), (6100, 13625), (6250, 13298), (6649, 12500), (7625, 10900)]