3931040

素因数分解:

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

素因数の和:405

約数の個数: 48

約数和(自身を含む): 9434880

約数和(自身を除く): 5503840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 311, 316, 395, 622, 632, 790, 1244, 1264, 1555, 1580, 2488, 2528, 3110, 3160, 4976, 6220, 6320, 9952, 12440, 12640, 24569, 24880, 49138, 49760, 98276, 122845, 196552, 245690, 393104, 491380, 786208, 982760, 1965520, 3931040]

約数ペア:

[(1, 3931040), (2, 1965520), (4, 982760), (5, 786208), (8, 491380), (10, 393104), (16, 245690), (20, 196552), (32, 122845), (40, 98276), (79, 49760), (80, 49138), (158, 24880), (160, 24569), (311, 12640), (316, 12440), (395, 9952), (622, 6320), (632, 6220), (790, 4976), (1244, 3160), (1264, 3110), (1555, 2528), (1580, 2488)]