89189560

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 205470720

約数和(自身を除く): 116281160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 127, 181, 194, 254, 362, 388, 485, 508, 635, 724, 776, 905, 970, 1016, 1270, 1448, 1810, 1940, 2540, 3620, 3880, 5080, 7240, 12319, 17557, 22987, 24638, 35114, 45974, 49276, 61595, 70228, 87785, 91948, 98552, 114935, 123190, 140456, 175570, 183896, 229870, 246380, 351140, 459740, 492760, 702280, 919480, 2229739, 4459478, 8918956, 11148695, 17837912, 22297390, 44594780, 89189560]

約数ペア:

[(1, 89189560), (2, 44594780), (4, 22297390), (5, 17837912), (8, 11148695), (10, 8918956), (20, 4459478), (40, 2229739), (97, 919480), (127, 702280), (181, 492760), (194, 459740), (254, 351140), (362, 246380), (388, 229870), (485, 183896), (508, 175570), (635, 140456), (724, 123190), (776, 114935), (905, 98552), (970, 91948), (1016, 87785), (1270, 70228), (1448, 61595), (1810, 49276), (1940, 45974), (2540, 35114), (3620, 24638), (3880, 22987), (5080, 17557), (7240, 12319)]