2584880

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:501

約数の個数: 40

約数和(自身を含む): 6100800

約数和(自身を除く): 3515920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 409, 632, 790, 818, 1264, 1580, 1636, 2045, 3160, 3272, 4090, 6320, 6544, 8180, 16360, 32311, 32720, 64622, 129244, 161555, 258488, 323110, 516976, 646220, 1292440, 2584880]

約数ペア:

[(1, 2584880), (2, 1292440), (4, 646220), (5, 516976), (8, 323110), (10, 258488), (16, 161555), (20, 129244), (40, 64622), (79, 32720), (80, 32311), (158, 16360), (316, 8180), (395, 6544), (409, 6320), (632, 4090), (790, 3272), (818, 3160), (1264, 2045), (1580, 1636)]