86989240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1277}}^1$

素因数の和:1432

約数の個数: 64

約数和(自身を含む): 212556960

約数和(自身を除く): 125567720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 131, 260, 262, 520, 524, 655, 1048, 1277, 1310, 1703, 2554, 2620, 3406, 5108, 5240, 6385, 6812, 8515, 10216, 12770, 13624, 16601, 17030, 25540, 33202, 34060, 51080, 66404, 68120, 83005, 132808, 166010, 167287, 332020, 334574, 664040, 669148, 836435, 1338296, 1672870, 2174731, 3345740, 4349462, 6691480, 8698924, 10873655, 17397848, 21747310, 43494620, 86989240]

約数ペア:

[(1, 86989240), (2, 43494620), (4, 21747310), (5, 17397848), (8, 10873655), (10, 8698924), (13, 6691480), (20, 4349462), (26, 3345740), (40, 2174731), (52, 1672870), (65, 1338296), (104, 836435), (130, 669148), (131, 664040), (260, 334574), (262, 332020), (520, 167287), (524, 166010), (655, 132808), (1048, 83005), (1277, 68120), (1310, 66404), (1703, 51080), (2554, 34060), (2620, 33202), (3406, 25540), (5108, 17030), (5240, 16601), (6385, 13624), (6812, 12770), (8515, 10216)]