42142880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20261}}^1$

素因数の和:20289

約数の個数: 48

約数和(自身を含む): 107226504

約数和(自身を除く): 65083624

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 20261, 40522, 81044, 101305, 162088, 202610, 263393, 324176, 405220, 526786, 648352, 810440, 1053572, 1316965, 1620880, 2107144, 2633930, 3241760, 4214288, 5267860, 8428576, 10535720, 21071440, 42142880]

約数ペア:

[(1, 42142880), (2, 21071440), (4, 10535720), (5, 8428576), (8, 5267860), (10, 4214288), (13, 3241760), (16, 2633930), (20, 2107144), (26, 1620880), (32, 1316965), (40, 1053572), (52, 810440), (65, 648352), (80, 526786), (104, 405220), (130, 324176), (160, 263393), (208, 202610), (260, 162088), (416, 101305), (520, 81044), (1040, 40522), (2080, 20261)]