1971280

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{601}}^1$

素因数の和:655

約数の個数: 40

約数和(自身を含む): 4702824

約数和(自身を除く): 2731544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 601, 656, 820, 1202, 1640, 2404, 3005, 3280, 4808, 6010, 9616, 12020, 24040, 24641, 48080, 49282, 98564, 123205, 197128, 246410, 394256, 492820, 985640, 1971280]

約数ペア:

[(1, 1971280), (2, 985640), (4, 492820), (5, 394256), (8, 246410), (10, 197128), (16, 123205), (20, 98564), (40, 49282), (41, 48080), (80, 24641), (82, 24040), (164, 12020), (205, 9616), (328, 6010), (410, 4808), (601, 3280), (656, 3005), (820, 2404), (1202, 1640)]