13307440

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{419}}^1$

素因数の和:829

約数の個数: 40

約数和(自身を含む): 31091760

約数和(自身を除く): 17784320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 419, 794, 838, 1588, 1676, 1985, 2095, 3176, 3352, 3970, 4190, 6352, 6704, 7940, 8380, 15880, 16760, 31760, 33520, 166343, 332686, 665372, 831715, 1330744, 1663430, 2661488, 3326860, 6653720, 13307440]

約数ペア:

[(1, 13307440), (2, 6653720), (4, 3326860), (5, 2661488), (8, 1663430), (10, 1330744), (16, 831715), (20, 665372), (40, 332686), (80, 166343), (397, 33520), (419, 31760), (794, 16760), (838, 15880), (1588, 8380), (1676, 7940), (1985, 6704), (2095, 6352), (3176, 4190), (3352, 3970)]