264042640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{194149}}^1$

素因数の和:194179

約数の個数: 40

約数和(自身を含む): 650014200

約数和(自身を除く): 385971560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 194149, 388298, 776596, 970745, 1553192, 1941490, 3106384, 3300533, 3882980, 6601066, 7765960, 13202132, 15531920, 16502665, 26404264, 33005330, 52808528, 66010660, 132021320, 264042640]

約数ペア:

[(1, 264042640), (2, 132021320), (4, 66010660), (5, 52808528), (8, 33005330), (10, 26404264), (16, 16502665), (17, 15531920), (20, 13202132), (34, 7765960), (40, 6601066), (68, 3882980), (80, 3300533), (85, 3106384), (136, 1941490), (170, 1553192), (272, 970745), (340, 776596), (680, 388298), (1360, 194149)]