12821488940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2707}}^1\times {\mathrm{18217}}^1$

素因数の和:20946

約数の個数: 48

約数和(自身を含む): 29008594272

約数和(自身を除く): 16187105332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2707, 5414, 10828, 13535, 18217, 27070, 35191, 36434, 54140, 70382, 72868, 91085, 140764, 175955, 182170, 236821, 351910, 364340, 473642, 703820, 947284, 1184105, 2368210, 4736420, 49313419, 98626838, 197253676, 246567095, 493134190, 641074447, 986268380, 1282148894, 2564297788, 3205372235, 6410744470, 12821488940]

約数ペア:

[(1, 12821488940), (2, 6410744470), (4, 3205372235), (5, 2564297788), (10, 1282148894), (13, 986268380), (20, 641074447), (26, 493134190), (52, 246567095), (65, 197253676), (130, 98626838), (260, 49313419), (2707, 4736420), (5414, 2368210), (10828, 1184105), (13535, 947284), (18217, 703820), (27070, 473642), (35191, 364340), (36434, 351910), (54140, 236821), (70382, 182170), (72868, 175955), (91085, 140764)]