2440880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2347}}^1$

素因数の和:2373

約数の個数: 40

約数和(自身を含む): 6114192

約数和(自身を除く): 3673312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2347, 4694, 9388, 11735, 18776, 23470, 30511, 37552, 46940, 61022, 93880, 122044, 152555, 187760, 244088, 305110, 488176, 610220, 1220440, 2440880]

約数ペア:

[(1, 2440880), (2, 1220440), (4, 610220), (5, 488176), (8, 305110), (10, 244088), (13, 187760), (16, 152555), (20, 122044), (26, 93880), (40, 61022), (52, 46940), (65, 37552), (80, 30511), (104, 23470), (130, 18776), (208, 11735), (260, 9388), (520, 4694), (1040, 2347)]