19995400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{5881}}^1$

素因数の和:5914

約数の個数: 48

約数和(自身を含む): 49232340

約数和(自身を除く): 29236940

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 5881, 11762, 23524, 29405, 47048, 58810, 99977, 117620, 147025, 199954, 235240, 294050, 399908, 499885, 588100, 799816, 999770, 1176200, 1999540, 2499425, 3999080, 4998850, 9997700, 19995400]

約数ペア:

[(1, 19995400), (2, 9997700), (4, 4998850), (5, 3999080), (8, 2499425), (10, 1999540), (17, 1176200), (20, 999770), (25, 799816), (34, 588100), (40, 499885), (50, 399908), (68, 294050), (85, 235240), (100, 199954), (136, 147025), (170, 117620), (200, 99977), (340, 58810), (425, 47048), (680, 29405), (850, 23524), (1700, 11762), (3400, 5881)]