66858280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{98321}}^1$

素因数の和:98349

約数の個数: 32

約数和(自身を含む): 159281640

約数和(自身を除く): 92423360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 98321, 196642, 393284, 491605, 786568, 983210, 1671457, 1966420, 3342914, 3932840, 6685828, 8357285, 13371656, 16714570, 33429140, 66858280]

約数ペア:

[(1, 66858280), (2, 33429140), (4, 16714570), (5, 13371656), (8, 8357285), (10, 6685828), (17, 3932840), (20, 3342914), (34, 1966420), (40, 1671457), (68, 983210), (85, 786568), (136, 491605), (170, 393284), (340, 196642), (680, 98321)]