12688120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 30948480

約数和(自身を除く): 18260360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 340, 376, 397, 470, 680, 794, 799, 940, 1588, 1598, 1880, 1985, 3176, 3196, 3970, 3995, 6392, 6749, 7940, 7990, 13498, 15880, 15980, 18659, 26996, 31960, 33745, 37318, 53992, 67490, 74636, 93295, 134980, 149272, 186590, 269960, 317203, 373180, 634406, 746360, 1268812, 1586015, 2537624, 3172030, 6344060, 12688120]

約数ペア:

[(1, 12688120), (2, 6344060), (4, 3172030), (5, 2537624), (8, 1586015), (10, 1268812), (17, 746360), (20, 634406), (34, 373180), (40, 317203), (47, 269960), (68, 186590), (85, 149272), (94, 134980), (136, 93295), (170, 74636), (188, 67490), (235, 53992), (340, 37318), (376, 33745), (397, 31960), (470, 26996), (680, 18659), (794, 15980), (799, 15880), (940, 13498), (1588, 7990), (1598, 7940), (1880, 6749), (1985, 6392), (3176, 3995), (3196, 3970)]