81885390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{40739}}^1$

素因数の和:40816

約数の個数: 32

約数和(自身を含む): 199463040

約数和(自身を除く): 117577650

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 40739, 81478, 122217, 203695, 244434, 407390, 611085, 1222170, 2729513, 5459026, 8188539, 13647565, 16377078, 27295130, 40942695, 81885390]

約数ペア:

[(1, 81885390), (2, 40942695), (3, 27295130), (5, 16377078), (6, 13647565), (10, 8188539), (15, 5459026), (30, 2729513), (67, 1222170), (134, 611085), (201, 407390), (335, 244434), (402, 203695), (670, 122217), (1005, 81478), (2010, 40739)]