80777566280

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{389027}}^1$

素因数の和:389246

約数の個数: 64

約数和(自身を含む): 189067608000

約数和(自身を除く): 108290041720

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 179, 232, 290, 358, 580, 716, 895, 1160, 1432, 1790, 3580, 5191, 7160, 10382, 20764, 25955, 41528, 51910, 103820, 207640, 389027, 778054, 1556108, 1945135, 3112216, 3890270, 7780540, 11281783, 15561080, 22563566, 45127132, 56408915, 69635833, 90254264, 112817830, 139271666, 225635660, 278543332, 348179165, 451271320, 557086664, 696358330, 1392716660, 2019439157, 2785433320, 4038878314, 8077756628, 10097195785, 16155513256, 20194391570, 40388783140, 80777566280]

約数ペア:

[(1, 80777566280), (2, 40388783140), (4, 20194391570), (5, 16155513256), (8, 10097195785), (10, 8077756628), (20, 4038878314), (29, 2785433320), (40, 2019439157), (58, 1392716660), (116, 696358330), (145, 557086664), (179, 451271320), (232, 348179165), (290, 278543332), (358, 225635660), (580, 139271666), (716, 112817830), (895, 90254264), (1160, 69635833), (1432, 56408915), (1790, 45127132), (3580, 22563566), (5191, 15561080), (7160, 11281783), (10382, 7780540), (20764, 3890270), (25955, 3112216), (41528, 1945135), (51910, 1556108), (103820, 778054), (207640, 389027)]