65502440

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{11953}}^1$

素因数の和:12101

約数の個数: 32

約数和(自身を含む): 148468680

約数和(自身を除く): 82966240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 11953, 23906, 47812, 59765, 95624, 119530, 239060, 478120, 1637561, 3275122, 6550244, 8187805, 13100488, 16375610, 32751220, 65502440]

約数ペア:

[(1, 65502440), (2, 32751220), (4, 16375610), (5, 13100488), (8, 8187805), (10, 6550244), (20, 3275122), (40, 1637561), (137, 478120), (274, 239060), (548, 119530), (685, 95624), (1096, 59765), (1370, 47812), (2740, 23906), (5480, 11953)]