2259440

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:537

約数の個数: 40

約数和(自身を含む): 5350848

約数和(自身を除く): 3091408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 463, 488, 610, 926, 976, 1220, 1852, 2315, 2440, 3704, 4630, 4880, 7408, 9260, 18520, 28243, 37040, 56486, 112972, 141215, 225944, 282430, 451888, 564860, 1129720, 2259440]

約数ペア:

[(1, 2259440), (2, 1129720), (4, 564860), (5, 451888), (8, 282430), (10, 225944), (16, 141215), (20, 112972), (40, 56486), (61, 37040), (80, 28243), (122, 18520), (244, 9260), (305, 7408), (463, 4880), (488, 4630), (610, 3704), (926, 2440), (976, 2315), (1220, 1852)]