8319740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2909}}^1$

素因数の和:2942

約数の個数: 48

約数和(自身を含む): 20532960

約数和(自身を除く): 12213220

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 2909, 5818, 11636, 14545, 29090, 31999, 37817, 58180, 63998, 75634, 127996, 151268, 159995, 189085, 319990, 378170, 415987, 639980, 756340, 831974, 1663948, 2079935, 4159870, 8319740]

約数ペア:

[(1, 8319740), (2, 4159870), (4, 2079935), (5, 1663948), (10, 831974), (11, 756340), (13, 639980), (20, 415987), (22, 378170), (26, 319990), (44, 189085), (52, 159995), (55, 151268), (65, 127996), (110, 75634), (130, 63998), (143, 58180), (220, 37817), (260, 31999), (286, 29090), (572, 14545), (715, 11636), (1430, 5818), (2860, 2909)]