2034781640

素因数分解:

$2^3\times 5^1\times {\mathrm{3923}}^1\times {\mathrm{12967}}^1$

素因数の和:16901

約数の個数: 32

約数和(自身を含む): 4579778880

約数和(自身を除く): 2544997240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3923, 7846, 12967, 15692, 19615, 25934, 31384, 39230, 51868, 64835, 78460, 103736, 129670, 156920, 259340, 518680, 50869541, 101739082, 203478164, 254347705, 406956328, 508695410, 1017390820, 2034781640]

約数ペア:

[(1, 2034781640), (2, 1017390820), (4, 508695410), (5, 406956328), (8, 254347705), (10, 203478164), (20, 101739082), (40, 50869541), (3923, 518680), (7846, 259340), (12967, 156920), (15692, 129670), (19615, 103736), (25934, 78460), (31384, 64835), (39230, 51868)]