27818960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1163}}^1$

素因数の和:1212

約数の個数: 80

約数和(自身を含む): 72745344

約数和(自身を除く): 44926384

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1163, 1196, 1495, 1840, 2326, 2392, 2990, 4652, 4784, 5815, 5980, 9304, 11630, 11960, 15119, 18608, 23260, 23920, 26749, 30238, 46520, 53498, 60476, 75595, 93040, 106996, 120952, 133745, 151190, 213992, 241904, 267490, 302380, 347737, 427984, 534980, 604760, 695474, 1069960, 1209520, 1390948, 1738685, 2139920, 2781896, 3477370, 5563792, 6954740, 13909480, 27818960]

約数ペア:

[(1, 27818960), (2, 13909480), (4, 6954740), (5, 5563792), (8, 3477370), (10, 2781896), (13, 2139920), (16, 1738685), (20, 1390948), (23, 1209520), (26, 1069960), (40, 695474), (46, 604760), (52, 534980), (65, 427984), (80, 347737), (92, 302380), (104, 267490), (115, 241904), (130, 213992), (184, 151190), (208, 133745), (230, 120952), (260, 106996), (299, 93040), (368, 75595), (460, 60476), (520, 53498), (598, 46520), (920, 30238), (1040, 26749), (1163, 23920), (1196, 23260), (1495, 18608), (1840, 15119), (2326, 11960), (2392, 11630), (2990, 9304), (4652, 5980), (4784, 5815)]