68790440

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{12553}}^1$

素因数の和:12701

約数の個数: 32

約数和(自身を含む): 155920680

約数和(自身を除く): 87130240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 12553, 25106, 50212, 62765, 100424, 125530, 251060, 502120, 1719761, 3439522, 6879044, 8598805, 13758088, 17197610, 34395220, 68790440]

約数ペア:

[(1, 68790440), (2, 34395220), (4, 17197610), (5, 13758088), (8, 8598805), (10, 6879044), (20, 3439522), (40, 1719761), (137, 502120), (274, 251060), (548, 125530), (685, 100424), (1096, 62765), (1370, 50212), (2740, 25106), (5480, 12553)]