2044720

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:493

約数の個数: 40

約数和(自身を含む): 4843440

約数和(自身を除く): 2798720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 419, 488, 610, 838, 976, 1220, 1676, 2095, 2440, 3352, 4190, 4880, 6704, 8380, 16760, 25559, 33520, 51118, 102236, 127795, 204472, 255590, 408944, 511180, 1022360, 2044720]

約数ペア:

[(1, 2044720), (2, 1022360), (4, 511180), (5, 408944), (8, 255590), (10, 204472), (16, 127795), (20, 102236), (40, 51118), (61, 33520), (80, 25559), (122, 16760), (244, 8380), (305, 6704), (419, 4880), (488, 4190), (610, 3352), (838, 2440), (976, 2095), (1220, 1676)]