25778630

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1$

素因数の和:413

約数の個数: 64

約数和(自身を含む): 54120960

約数和(自身を除く): 28342330

約数列:

[1, 2, 5, 10, 17, 19, 23, 34, 38, 46, 85, 95, 115, 170, 190, 230, 323, 347, 391, 437, 646, 694, 782, 874, 1615, 1735, 1955, 2185, 3230, 3470, 3910, 4370, 5899, 6593, 7429, 7981, 11798, 13186, 14858, 15962, 29495, 32965, 37145, 39905, 58990, 65930, 74290, 79810, 112081, 135677, 151639, 224162, 271354, 303278, 560405, 678385, 758195, 1120810, 1356770, 1516390, 2577863, 5155726, 12889315, 25778630]

約数ペア:

[(1, 25778630), (2, 12889315), (5, 5155726), (10, 2577863), (17, 1516390), (19, 1356770), (23, 1120810), (34, 758195), (38, 678385), (46, 560405), (85, 303278), (95, 271354), (115, 224162), (170, 151639), (190, 135677), (230, 112081), (323, 79810), (347, 74290), (391, 65930), (437, 58990), (646, 39905), (694, 37145), (782, 32965), (874, 29495), (1615, 15962), (1735, 14858), (1955, 13186), (2185, 11798), (3230, 7981), (3470, 7429), (3910, 6593), (4370, 5899)]