1796788640

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{142151}}^1$

素因数の和:142245

約数の個数: 48

約数和(自身を含む): 4298676480

約数和(自身を除く): 2501887840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 6320, 12640, 142151, 284302, 568604, 710755, 1137208, 1421510, 2274416, 2843020, 4548832, 5686040, 11229929, 11372080, 22459858, 22744160, 44919716, 56149645, 89839432, 112299290, 179678864, 224598580, 359357728, 449197160, 898394320, 1796788640]

約数ペア:

[(1, 1796788640), (2, 898394320), (4, 449197160), (5, 359357728), (8, 224598580), (10, 179678864), (16, 112299290), (20, 89839432), (32, 56149645), (40, 44919716), (79, 22744160), (80, 22459858), (158, 11372080), (160, 11229929), (316, 5686040), (395, 4548832), (632, 2843020), (790, 2274416), (1264, 1421510), (1580, 1137208), (2528, 710755), (3160, 568604), (6320, 284302), (12640, 142151)]