12220888940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2764907}}^1$

素因数の和:2764946

約数の個数: 48

約数和(自身を含む): 29263786272

約数和(自身を除く): 17042897332

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 2764907, 5529814, 11059628, 13824535, 27649070, 35943791, 47003419, 55298140, 71887582, 94006838, 143775164, 179718955, 188013676, 235017095, 359437910, 470034190, 611044447, 718875820, 940068380, 1222088894, 2444177788, 3055222235, 6110444470, 12220888940]

約数ペア:

[(1, 12220888940), (2, 6110444470), (4, 3055222235), (5, 2444177788), (10, 1222088894), (13, 940068380), (17, 718875820), (20, 611044447), (26, 470034190), (34, 359437910), (52, 235017095), (65, 188013676), (68, 179718955), (85, 143775164), (130, 94006838), (170, 71887582), (221, 55298140), (260, 47003419), (340, 35943791), (442, 27649070), (884, 13824535), (1105, 11059628), (2210, 5529814), (4420, 2764907)]