31537880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{313}}^1$

素因数の和:564

約数の個数: 64

約数和(自身を含む): 77997600

約数和(自身を除く): 46459720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 229, 313, 440, 458, 626, 916, 1145, 1252, 1565, 1832, 2290, 2504, 2519, 3130, 3443, 4580, 5038, 6260, 6886, 9160, 10076, 12520, 12595, 13772, 17215, 20152, 25190, 27544, 34430, 50380, 68860, 71677, 100760, 137720, 143354, 286708, 358385, 573416, 716770, 788447, 1433540, 1576894, 2867080, 3153788, 3942235, 6307576, 7884470, 15768940, 31537880]

約数ペア:

[(1, 31537880), (2, 15768940), (4, 7884470), (5, 6307576), (8, 3942235), (10, 3153788), (11, 2867080), (20, 1576894), (22, 1433540), (40, 788447), (44, 716770), (55, 573416), (88, 358385), (110, 286708), (220, 143354), (229, 137720), (313, 100760), (440, 71677), (458, 68860), (626, 50380), (916, 34430), (1145, 27544), (1252, 25190), (1565, 20152), (1832, 17215), (2290, 13772), (2504, 12595), (2519, 12520), (3130, 10076), (3443, 9160), (4580, 6886), (5038, 6260)]