18808538120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{143489}}^1$

素因数の和:143642

約数の個数: 64

約数和(自身を含む): 44166222000

約数和(自身を除く): 25357683880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 113, 116, 145, 226, 232, 290, 452, 565, 580, 904, 1130, 1160, 2260, 3277, 4520, 6554, 13108, 16385, 26216, 32770, 65540, 131080, 143489, 286978, 573956, 717445, 1147912, 1434890, 2869780, 4161181, 5739560, 8322362, 16214257, 16644724, 20805905, 32428514, 33289448, 41611810, 64857028, 81071285, 83223620, 129714056, 162142570, 166447240, 324285140, 470213453, 648570280, 940426906, 1880853812, 2351067265, 3761707624, 4702134530, 9404269060, 18808538120]

約数ペア:

[(1, 18808538120), (2, 9404269060), (4, 4702134530), (5, 3761707624), (8, 2351067265), (10, 1880853812), (20, 940426906), (29, 648570280), (40, 470213453), (58, 324285140), (113, 166447240), (116, 162142570), (145, 129714056), (226, 83223620), (232, 81071285), (290, 64857028), (452, 41611810), (565, 33289448), (580, 32428514), (904, 20805905), (1130, 16644724), (1160, 16214257), (2260, 8322362), (3277, 5739560), (4520, 4161181), (6554, 2869780), (13108, 1434890), (16385, 1147912), (26216, 717445), (32770, 573956), (65540, 286978), (131080, 143489)]