15758840

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2417}}^1$

素因数の和:2591

約数の個数: 32

約数和(自身を含む): 35689680

約数和(自身を除く): 19930840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 2417, 3260, 4834, 6520, 9668, 12085, 19336, 24170, 48340, 96680, 393971, 787942, 1575884, 1969855, 3151768, 3939710, 7879420, 15758840]

約数ペア:

[(1, 15758840), (2, 7879420), (4, 3939710), (5, 3151768), (8, 1969855), (10, 1575884), (20, 787942), (40, 393971), (163, 96680), (326, 48340), (652, 24170), (815, 19336), (1304, 12085), (1630, 9668), (2417, 6520), (3260, 4834)]