204993080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{165317}}^1$

素因数の和:165359

約数の個数: 32

約数和(自身を含む): 476115840

約数和(自身を除く): 271122760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 165317, 330634, 661268, 826585, 1322536, 1653170, 3306340, 5124827, 6612680, 10249654, 20499308, 25624135, 40998616, 51248270, 102496540, 204993080]

約数ペア:

[(1, 204993080), (2, 102496540), (4, 51248270), (5, 40998616), (8, 25624135), (10, 20499308), (20, 10249654), (31, 6612680), (40, 5124827), (62, 3306340), (124, 1653170), (155, 1322536), (248, 826585), (310, 661268), (620, 330634), (1240, 165317)]