91336640

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3613}}^1$

素因数の和:3709

約数の個数: 56

約数和(自身を含む): 220309440

約数和(自身を除く): 128972800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 790, 1264, 1580, 2528, 3160, 3613, 5056, 6320, 7226, 12640, 14452, 18065, 25280, 28904, 36130, 57808, 72260, 115616, 144520, 231232, 285427, 289040, 570854, 578080, 1141708, 1156160, 1427135, 2283416, 2854270, 4566832, 5708540, 9133664, 11417080, 18267328, 22834160, 45668320, 91336640]

約数ペア:

[(1, 91336640), (2, 45668320), (4, 22834160), (5, 18267328), (8, 11417080), (10, 9133664), (16, 5708540), (20, 4566832), (32, 2854270), (40, 2283416), (64, 1427135), (79, 1156160), (80, 1141708), (158, 578080), (160, 570854), (316, 289040), (320, 285427), (395, 231232), (632, 144520), (790, 115616), (1264, 72260), (1580, 57808), (2528, 36130), (3160, 28904), (3613, 25280), (5056, 18065), (6320, 14452), (7226, 12640)]