1129720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 2589120

約数和(自身を除く): 1459400

約数列:

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

約数ペア:

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