258773440

素因数分解:

$2^6\times 5^1\times {\mathrm{317}}^1\times {\mathrm{2551}}^1$

素因数の和:2885

約数の個数: 56

約数和(自身を含む): 618390432

約数和(自身を除く): 359616992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 317, 320, 634, 1268, 1585, 2536, 2551, 3170, 5072, 5102, 6340, 10144, 10204, 12680, 12755, 20288, 20408, 25360, 25510, 40816, 50720, 51020, 81632, 101440, 102040, 163264, 204080, 408160, 808667, 816320, 1617334, 3234668, 4043335, 6469336, 8086670, 12938672, 16173340, 25877344, 32346680, 51754688, 64693360, 129386720, 258773440]

約数ペア:

[(1, 258773440), (2, 129386720), (4, 64693360), (5, 51754688), (8, 32346680), (10, 25877344), (16, 16173340), (20, 12938672), (32, 8086670), (40, 6469336), (64, 4043335), (80, 3234668), (160, 1617334), (317, 816320), (320, 808667), (634, 408160), (1268, 204080), (1585, 163264), (2536, 102040), (2551, 101440), (3170, 81632), (5072, 51020), (5102, 50720), (6340, 40816), (10144, 25510), (10204, 25360), (12680, 20408), (12755, 20288)]