38955280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5351}}^1$

素因数の和:5384

約数の個数: 80

約数和(自身を含む): 111492864

約数和(自身を除く): 72537584

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 5351, 7280, 10702, 21404, 26755, 37457, 42808, 53510, 69563, 74914, 85616, 107020, 139126, 149828, 187285, 214040, 278252, 299656, 347815, 374570, 428080, 486941, 556504, 599312, 695630, 749140, 973882, 1113008, 1391260, 1498280, 1947764, 2434705, 2782520, 2996560, 3895528, 4869410, 5565040, 7791056, 9738820, 19477640, 38955280]

約数ペア:

[(1, 38955280), (2, 19477640), (4, 9738820), (5, 7791056), (7, 5565040), (8, 4869410), (10, 3895528), (13, 2996560), (14, 2782520), (16, 2434705), (20, 1947764), (26, 1498280), (28, 1391260), (35, 1113008), (40, 973882), (52, 749140), (56, 695630), (65, 599312), (70, 556504), (80, 486941), (91, 428080), (104, 374570), (112, 347815), (130, 299656), (140, 278252), (182, 214040), (208, 187285), (260, 149828), (280, 139126), (364, 107020), (455, 85616), (520, 74914), (560, 69563), (728, 53510), (910, 42808), (1040, 37457), (1456, 26755), (1820, 21404), (3640, 10702), (5351, 7280)]