23215720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2777}}^1$

素因数の和:2818

約数の個数: 64

約数和(自身を含む): 60004800

約数和(自身を除く): 36789080

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 2777, 4180, 5554, 8360, 11108, 13885, 22216, 27770, 30547, 52763, 55540, 61094, 105526, 111080, 122188, 152735, 211052, 244376, 263815, 305470, 422104, 527630, 580393, 610940, 1055260, 1160786, 1221880, 2110520, 2321572, 2901965, 4643144, 5803930, 11607860, 23215720]

約数ペア:

[(1, 23215720), (2, 11607860), (4, 5803930), (5, 4643144), (8, 2901965), (10, 2321572), (11, 2110520), (19, 1221880), (20, 1160786), (22, 1055260), (38, 610940), (40, 580393), (44, 527630), (55, 422104), (76, 305470), (88, 263815), (95, 244376), (110, 211052), (152, 152735), (190, 122188), (209, 111080), (220, 105526), (380, 61094), (418, 55540), (440, 52763), (760, 30547), (836, 27770), (1045, 22216), (1672, 13885), (2090, 11108), (2777, 8360), (4180, 5554)]