4401280

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2$

素因数の和:78

約数の個数: 96

約数和(自身を含む): 11845260

約数和(自身を除く): 7443980

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 128, 130, 160, 184, 208, 230, 260, 299, 320, 368, 416, 460, 520, 529, 598, 640, 736, 832, 920, 1040, 1058, 1196, 1472, 1495, 1664, 1840, 2080, 2116, 2392, 2645, 2944, 2990, 3680, 4160, 4232, 4784, 5290, 5980, 6877, 7360, 8320, 8464, 9568, 10580, 11960, 13754, 14720, 16928, 19136, 21160, 23920, 27508, 33856, 34385, 38272, 42320, 47840, 55016, 67712, 68770, 84640, 95680, 110032, 137540, 169280, 191360, 220064, 275080, 338560, 440128, 550160, 880256, 1100320, 2200640, 4401280]

約数ペア:

[(1, 4401280), (2, 2200640), (4, 1100320), (5, 880256), (8, 550160), (10, 440128), (13, 338560), (16, 275080), (20, 220064), (23, 191360), (26, 169280), (32, 137540), (40, 110032), (46, 95680), (52, 84640), (64, 68770), (65, 67712), (80, 55016), (92, 47840), (104, 42320), (115, 38272), (128, 34385), (130, 33856), (160, 27508), (184, 23920), (208, 21160), (230, 19136), (260, 16928), (299, 14720), (320, 13754), (368, 11960), (416, 10580), (460, 9568), (520, 8464), (529, 8320), (598, 7360), (640, 6877), (736, 5980), (832, 5290), (920, 4784), (1040, 4232), (1058, 4160), (1196, 3680), (1472, 2990), (1495, 2944), (1664, 2645), (1840, 2392), (2080, 2116)]