82667860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19777}}^1$

素因数の和:19816

約数の個数: 48

約数和(自身を含む): 199362240

約数和(自身を除く): 116694380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 19777, 39554, 79108, 98885, 197770, 217547, 375763, 395540, 435094, 751526, 870188, 1087735, 1503052, 1878815, 2175470, 3757630, 4133393, 4350940, 7515260, 8266786, 16533572, 20666965, 41333930, 82667860]

約数ペア:

[(1, 82667860), (2, 41333930), (4, 20666965), (5, 16533572), (10, 8266786), (11, 7515260), (19, 4350940), (20, 4133393), (22, 3757630), (38, 2175470), (44, 1878815), (55, 1503052), (76, 1087735), (95, 870188), (110, 751526), (190, 435094), (209, 395540), (220, 375763), (380, 217547), (418, 197770), (836, 98885), (1045, 79108), (2090, 39554), (4180, 19777)]