68953240

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{6361}}^1$

素因数の和:6643

約数の個数: 32

約数和(自身を含む): 155741760

約数和(自身を除く): 86788520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 6361, 10840, 12722, 25444, 31805, 50888, 63610, 127220, 254440, 1723831, 3447662, 6895324, 8619155, 13790648, 17238310, 34476620, 68953240]

約数ペア:

[(1, 68953240), (2, 34476620), (4, 17238310), (5, 13790648), (8, 8619155), (10, 6895324), (20, 3447662), (40, 1723831), (271, 254440), (542, 127220), (1084, 63610), (1355, 50888), (2168, 31805), (2710, 25444), (5420, 12722), (6361, 10840)]