1965520

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:403

約数の個数: 40

約数和(自身を含む): 4642560

約数和(自身を除く): 2677040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 311, 316, 395, 622, 632, 790, 1244, 1264, 1555, 1580, 2488, 3110, 3160, 4976, 6220, 6320, 12440, 24569, 24880, 49138, 98276, 122845, 196552, 245690, 393104, 491380, 982760, 1965520]

約数ペア:

[(1, 1965520), (2, 982760), (4, 491380), (5, 393104), (8, 245690), (10, 196552), (16, 122845), (20, 98276), (40, 49138), (79, 24880), (80, 24569), (158, 12440), (311, 6320), (316, 6220), (395, 4976), (622, 3160), (632, 3110), (790, 2488), (1244, 1580), (1264, 1555)]