6653720

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{419}}^1$

素因数の和:827

約数の個数: 32

約数和(自身を含む): 15044400

約数和(自身を除く): 8390680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 419, 794, 838, 1588, 1676, 1985, 2095, 3176, 3352, 3970, 4190, 7940, 8380, 15880, 16760, 166343, 332686, 665372, 831715, 1330744, 1663430, 3326860, 6653720]

約数ペア:

[(1, 6653720), (2, 3326860), (4, 1663430), (5, 1330744), (8, 831715), (10, 665372), (20, 332686), (40, 166343), (397, 16760), (419, 15880), (794, 8380), (838, 7940), (1588, 4190), (1676, 3970), (1985, 3352), (2095, 3176)]