13851020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 30209760

約数和(自身を除く): 16358740

約数列:

[1, 2, 4, 5, 10, 20, 53, 73, 106, 146, 179, 212, 265, 292, 358, 365, 530, 716, 730, 895, 1060, 1460, 1790, 3580, 3869, 7738, 9487, 13067, 15476, 18974, 19345, 26134, 37948, 38690, 47435, 52268, 65335, 77380, 94870, 130670, 189740, 261340, 692551, 1385102, 2770204, 3462755, 6925510, 13851020]

約数ペア:

[(1, 13851020), (2, 6925510), (4, 3462755), (5, 2770204), (10, 1385102), (20, 692551), (53, 261340), (73, 189740), (106, 130670), (146, 94870), (179, 77380), (212, 65335), (265, 52268), (292, 47435), (358, 38690), (365, 37948), (530, 26134), (716, 19345), (730, 18974), (895, 15476), (1060, 13067), (1460, 9487), (1790, 7738), (3580, 3869)]