3898960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:212

約数の個数: 80

約数和(自身を含む): 10249344

約数和(自身を除く): 6350384

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 163, 184, 208, 230, 260, 299, 326, 368, 460, 520, 598, 652, 815, 920, 1040, 1196, 1304, 1495, 1630, 1840, 2119, 2392, 2608, 2990, 3260, 3749, 4238, 4784, 5980, 6520, 7498, 8476, 10595, 11960, 13040, 14996, 16952, 18745, 21190, 23920, 29992, 33904, 37490, 42380, 48737, 59984, 74980, 84760, 97474, 149960, 169520, 194948, 243685, 299920, 389896, 487370, 779792, 974740, 1949480, 3898960]

約数ペア:

[(1, 3898960), (2, 1949480), (4, 974740), (5, 779792), (8, 487370), (10, 389896), (13, 299920), (16, 243685), (20, 194948), (23, 169520), (26, 149960), (40, 97474), (46, 84760), (52, 74980), (65, 59984), (80, 48737), (92, 42380), (104, 37490), (115, 33904), (130, 29992), (163, 23920), (184, 21190), (208, 18745), (230, 16952), (260, 14996), (299, 13040), (326, 11960), (368, 10595), (460, 8476), (520, 7498), (598, 6520), (652, 5980), (815, 4784), (920, 4238), (1040, 3749), (1196, 3260), (1304, 2990), (1495, 2608), (1630, 2392), (1840, 2119)]