15419480

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{971}}^1$

素因数の和:1379

約数の個数: 32

約数和(自身を含む): 34817040

約数和(自身を除く): 19397560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 971, 1588, 1942, 1985, 3176, 3884, 3970, 4855, 7768, 7940, 9710, 15880, 19420, 38840, 385487, 770974, 1541948, 1927435, 3083896, 3854870, 7709740, 15419480]

約数ペア:

[(1, 15419480), (2, 7709740), (4, 3854870), (5, 3083896), (8, 1927435), (10, 1541948), (20, 770974), (40, 385487), (397, 38840), (794, 19420), (971, 15880), (1588, 9710), (1942, 7940), (1985, 7768), (3176, 4855), (3884, 3970)]