252380440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{485347}}^1$

素因数の和:485371

約数の個数: 32

約数和(自身を含む): 611538480

約数和(自身を除く): 359158040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 485347, 970694, 1941388, 2426735, 3882776, 4853470, 6309511, 9706940, 12619022, 19413880, 25238044, 31547555, 50476088, 63095110, 126190220, 252380440]

約数ペア:

[(1, 252380440), (2, 126190220), (4, 63095110), (5, 50476088), (8, 31547555), (10, 25238044), (13, 19413880), (20, 12619022), (26, 9706940), (40, 6309511), (52, 4853470), (65, 3882776), (104, 2426735), (130, 1941388), (260, 970694), (520, 485347)]