80000360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16529}}^1$

素因数の和:16562

約数の個数: 48

約数和(自身を含む): 197864100

約数和(自身を除く): 117863740

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 16529, 33058, 66116, 82645, 132232, 165290, 181819, 330580, 363638, 661160, 727276, 909095, 1454552, 1818190, 2000009, 3636380, 4000018, 7272760, 8000036, 10000045, 16000072, 20000090, 40000180, 80000360]

約数ペア:

[(1, 80000360), (2, 40000180), (4, 20000090), (5, 16000072), (8, 10000045), (10, 8000036), (11, 7272760), (20, 4000018), (22, 3636380), (40, 2000009), (44, 1818190), (55, 1454552), (88, 909095), (110, 727276), (121, 661160), (220, 363638), (242, 330580), (440, 181819), (484, 165290), (605, 132232), (968, 82645), (1210, 66116), (2420, 33058), (4840, 16529)]