1381685755280

素因数分解:

$2^4\times 5^1\times {\mathrm{13859}}^1\times {\mathrm{1246199}}^1$

素因数の和:1260071

約数の個数: 40

約数和(自身を含む): 3212653752000

約数和(自身を除く): 1830967996720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 13859, 27718, 55436, 69295, 110872, 138590, 221744, 277180, 554360, 1108720, 1246199, 2492398, 4984796, 6230995, 9969592, 12461990, 19939184, 24923980, 49847960, 99695920, 17271071941, 34542143882, 69084287764, 86355359705, 138168575528, 172710719410, 276337151056, 345421438820, 690842877640, 1381685755280]

約数ペア:

[(1, 1381685755280), (2, 690842877640), (4, 345421438820), (5, 276337151056), (8, 172710719410), (10, 138168575528), (16, 86355359705), (20, 69084287764), (40, 34542143882), (80, 17271071941), (13859, 99695920), (27718, 49847960), (55436, 24923980), (69295, 19939184), (110872, 12461990), (138590, 9969592), (221744, 6230995), (277180, 4984796), (554360, 2492398), (1108720, 1246199)]