20164586800

素因数分解:

$2^4\times 5^2\times {\mathrm{313}}^1\times {\mathrm{161059}}^1$

素因数の和:161390

約数の個数: 60

約数和(自身を含む): 48600499240

約数和(自身を除く): 28435912440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 313, 400, 626, 1252, 1565, 2504, 3130, 5008, 6260, 7825, 12520, 15650, 25040, 31300, 62600, 125200, 161059, 322118, 644236, 805295, 1288472, 1610590, 2576944, 3221180, 4026475, 6442360, 8052950, 12884720, 16105900, 32211800, 50411467, 64423600, 100822934, 201645868, 252057335, 403291736, 504114670, 806583472, 1008229340, 1260286675, 2016458680, 2520573350, 4032917360, 5041146700, 10082293400, 20164586800]

約数ペア:

[(1, 20164586800), (2, 10082293400), (4, 5041146700), (5, 4032917360), (8, 2520573350), (10, 2016458680), (16, 1260286675), (20, 1008229340), (25, 806583472), (40, 504114670), (50, 403291736), (80, 252057335), (100, 201645868), (200, 100822934), (313, 64423600), (400, 50411467), (626, 32211800), (1252, 16105900), (1565, 12884720), (2504, 8052950), (3130, 6442360), (5008, 4026475), (6260, 3221180), (7825, 2576944), (12520, 1610590), (15650, 1288472), (25040, 805295), (31300, 644236), (62600, 322118), (125200, 161059)]