89810360

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 207446400

約数和(自身を除く): 117636040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 97, 158, 194, 293, 316, 388, 395, 485, 586, 632, 776, 790, 970, 1172, 1465, 1580, 1940, 2344, 2930, 3160, 3880, 5860, 7663, 11720, 15326, 23147, 28421, 30652, 38315, 46294, 56842, 61304, 76630, 92588, 113684, 115735, 142105, 153260, 185176, 227368, 231470, 284210, 306520, 462940, 568420, 925880, 1136840, 2245259, 4490518, 8981036, 11226295, 17962072, 22452590, 44905180, 89810360]

約数ペア:

[(1, 89810360), (2, 44905180), (4, 22452590), (5, 17962072), (8, 11226295), (10, 8981036), (20, 4490518), (40, 2245259), (79, 1136840), (97, 925880), (158, 568420), (194, 462940), (293, 306520), (316, 284210), (388, 231470), (395, 227368), (485, 185176), (586, 153260), (632, 142105), (776, 115735), (790, 113684), (970, 92588), (1172, 76630), (1465, 61304), (1580, 56842), (1940, 46294), (2344, 38315), (2930, 30652), (3160, 28421), (3880, 23147), (5860, 15326), (7663, 11720)]