200081720

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{63317}}^1$

素因数の和:63407

約数の個数: 32

約数和(自身を含む): 455889600

約数和(自身を除く): 255807880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 63317, 126634, 253268, 316585, 506536, 633170, 1266340, 2532680, 5002043, 10004086, 20008172, 25010215, 40016344, 50020430, 100040860, 200081720]

約数ペア:

[(1, 200081720), (2, 100040860), (4, 50020430), (5, 40016344), (8, 25010215), (10, 20008172), (20, 10004086), (40, 5002043), (79, 2532680), (158, 1266340), (316, 633170), (395, 506536), (632, 316585), (790, 253268), (1580, 126634), (3160, 63317)]