64420060

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{13477}}^1$

素因数の和:13725

約数の個数: 24

約数和(自身を含む): 135858240

約数和(自身を除く): 71438180

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 13477, 26954, 53908, 67385, 134770, 269540, 3221003, 6442006, 12884012, 16105015, 32210030, 64420060]

約数ペア:

[(1, 64420060), (2, 32210030), (4, 16105015), (5, 12884012), (10, 6442006), (20, 3221003), (239, 269540), (478, 134770), (956, 67385), (1195, 53908), (2390, 26954), (4780, 13477)]