31974580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1439}}^1$

素因数の和:1560

約数の個数: 48

約数和(自身を含む): 74027520

約数和(自身を除く): 42052940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 1439, 2020, 2222, 2878, 4444, 5555, 5756, 7195, 11110, 14390, 15829, 22220, 28780, 31658, 63316, 79145, 145339, 158290, 290678, 316580, 581356, 726695, 1453390, 1598729, 2906780, 3197458, 6394916, 7993645, 15987290, 31974580]

約数ペア:

[(1, 31974580), (2, 15987290), (4, 7993645), (5, 6394916), (10, 3197458), (11, 2906780), (20, 1598729), (22, 1453390), (44, 726695), (55, 581356), (101, 316580), (110, 290678), (202, 158290), (220, 145339), (404, 79145), (505, 63316), (1010, 31658), (1111, 28780), (1439, 22220), (2020, 15829), (2222, 14390), (2878, 11110), (4444, 7195), (5555, 5756)]