13212220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4967}}^1$

素因数の和:5002

約数の個数: 48

約数和(自身を含む): 33384960

約数和(自身を除く): 20172740

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 4967, 9934, 19868, 24835, 34769, 49670, 69538, 94373, 99340, 139076, 173845, 188746, 347690, 377492, 471865, 660611, 695380, 943730, 1321222, 1887460, 2642444, 3303055, 6606110, 13212220]

約数ペア:

[(1, 13212220), (2, 6606110), (4, 3303055), (5, 2642444), (7, 1887460), (10, 1321222), (14, 943730), (19, 695380), (20, 660611), (28, 471865), (35, 377492), (38, 347690), (70, 188746), (76, 173845), (95, 139076), (133, 99340), (140, 94373), (190, 69538), (266, 49670), (380, 34769), (532, 24835), (665, 19868), (1330, 9934), (2660, 4967)]