39909090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3301}}^1$

素因数の和:3355

約数の個数: 64

約数和(自身を含む): 106509312

約数和(自身を除く): 66600222

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 2015, 2418, 3301, 4030, 6045, 6602, 9903, 12090, 16505, 19806, 33010, 42913, 49515, 85826, 99030, 102331, 128739, 204662, 214565, 257478, 306993, 429130, 511655, 613986, 643695, 1023310, 1287390, 1330303, 1534965, 2660606, 3069930, 3990909, 6651515, 7981818, 13303030, 19954545, 39909090]

約数ペア:

[(1, 39909090), (2, 19954545), (3, 13303030), (5, 7981818), (6, 6651515), (10, 3990909), (13, 3069930), (15, 2660606), (26, 1534965), (30, 1330303), (31, 1287390), (39, 1023310), (62, 643695), (65, 613986), (78, 511655), (93, 429130), (130, 306993), (155, 257478), (186, 214565), (195, 204662), (310, 128739), (390, 102331), (403, 99030), (465, 85826), (806, 49515), (930, 42913), (1209, 33010), (2015, 19806), (2418, 16505), (3301, 12090), (4030, 9903), (6045, 6602)]