20198050400

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2295233}}^1$

素因数の和:2295264

約数の個数: 72

約数和(自身を含む): 53791104024

約数和(自身を除く): 33593053624

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 200, 220, 275, 352, 400, 440, 550, 800, 880, 1100, 1760, 2200, 4400, 8800, 2295233, 4590466, 9180932, 11476165, 18361864, 22952330, 25247563, 36723728, 45904660, 50495126, 57380825, 73447456, 91809320, 100990252, 114761650, 126237815, 183618640, 201980504, 229523300, 252475630, 367237280, 403961008, 459046600, 504951260, 631189075, 807922016, 918093200, 1009902520, 1262378150, 1836186400, 2019805040, 2524756300, 4039610080, 5049512600, 10099025200, 20198050400]

約数ペア:

[(1, 20198050400), (2, 10099025200), (4, 5049512600), (5, 4039610080), (8, 2524756300), (10, 2019805040), (11, 1836186400), (16, 1262378150), (20, 1009902520), (22, 918093200), (25, 807922016), (32, 631189075), (40, 504951260), (44, 459046600), (50, 403961008), (55, 367237280), (80, 252475630), (88, 229523300), (100, 201980504), (110, 183618640), (160, 126237815), (176, 114761650), (200, 100990252), (220, 91809320), (275, 73447456), (352, 57380825), (400, 50495126), (440, 45904660), (550, 36723728), (800, 25247563), (880, 22952330), (1100, 18361864), (1760, 11476165), (2200, 9180932), (4400, 4590466), (8800, 2295233)]