38644960

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:236

約数の個数: 96

約数和(自身を含む): 96399072

約数和(自身を除く): 57754112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 43, 80, 82, 86, 137, 160, 164, 172, 205, 215, 274, 328, 344, 410, 430, 548, 656, 685, 688, 820, 860, 1096, 1312, 1370, 1376, 1640, 1720, 1763, 2192, 2740, 3280, 3440, 3526, 4384, 5480, 5617, 5891, 6560, 6880, 7052, 8815, 10960, 11234, 11782, 14104, 17630, 21920, 22468, 23564, 28085, 28208, 29455, 35260, 44936, 47128, 56170, 56416, 58910, 70520, 89872, 94256, 112340, 117820, 141040, 179744, 188512, 224680, 235640, 241531, 282080, 449360, 471280, 483062, 898720, 942560, 966124, 1207655, 1932248, 2415310, 3864496, 4830620, 7728992, 9661240, 19322480, 38644960]

約数ペア:

[(1, 38644960), (2, 19322480), (4, 9661240), (5, 7728992), (8, 4830620), (10, 3864496), (16, 2415310), (20, 1932248), (32, 1207655), (40, 966124), (41, 942560), (43, 898720), (80, 483062), (82, 471280), (86, 449360), (137, 282080), (160, 241531), (164, 235640), (172, 224680), (205, 188512), (215, 179744), (274, 141040), (328, 117820), (344, 112340), (410, 94256), (430, 89872), (548, 70520), (656, 58910), (685, 56416), (688, 56170), (820, 47128), (860, 44936), (1096, 35260), (1312, 29455), (1370, 28208), (1376, 28085), (1640, 23564), (1720, 22468), (1763, 21920), (2192, 17630), (2740, 14104), (3280, 11782), (3440, 11234), (3526, 10960), (4384, 8815), (5480, 7052), (5617, 6880), (5891, 6560)]