42820580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1289}}^1$

素因数の和:1460

約数の個数: 48

約数和(自身を含む): 98824320

約数和(自身を除く): 56003740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 151, 220, 302, 604, 755, 1289, 1510, 1661, 2578, 3020, 3322, 5156, 6445, 6644, 8305, 12890, 14179, 16610, 25780, 28358, 33220, 56716, 70895, 141790, 194639, 283580, 389278, 778556, 973195, 1946390, 2141029, 3892780, 4282058, 8564116, 10705145, 21410290, 42820580]

約数ペア:

[(1, 42820580), (2, 21410290), (4, 10705145), (5, 8564116), (10, 4282058), (11, 3892780), (20, 2141029), (22, 1946390), (44, 973195), (55, 778556), (110, 389278), (151, 283580), (220, 194639), (302, 141790), (604, 70895), (755, 56716), (1289, 33220), (1510, 28358), (1661, 25780), (2578, 16610), (3020, 14179), (3322, 12890), (5156, 8305), (6445, 6644)]