31831520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:412

約数の個数: 96

約数和(自身を含む): 87127488

約数和(自身を除く): 55295968

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 97, 112, 140, 160, 194, 224, 280, 293, 388, 485, 560, 586, 679, 776, 970, 1120, 1172, 1358, 1465, 1552, 1940, 2051, 2344, 2716, 2930, 3104, 3395, 3880, 4102, 4688, 5432, 5860, 6790, 7760, 8204, 9376, 10255, 10864, 11720, 13580, 15520, 16408, 20510, 21728, 23440, 27160, 28421, 32816, 41020, 46880, 54320, 56842, 65632, 82040, 108640, 113684, 142105, 164080, 198947, 227368, 284210, 328160, 397894, 454736, 568420, 795788, 909472, 994735, 1136840, 1591576, 1989470, 2273680, 3183152, 3978940, 4547360, 6366304, 7957880, 15915760, 31831520]

約数ペア:

[(1, 31831520), (2, 15915760), (4, 7957880), (5, 6366304), (7, 4547360), (8, 3978940), (10, 3183152), (14, 2273680), (16, 1989470), (20, 1591576), (28, 1136840), (32, 994735), (35, 909472), (40, 795788), (56, 568420), (70, 454736), (80, 397894), (97, 328160), (112, 284210), (140, 227368), (160, 198947), (194, 164080), (224, 142105), (280, 113684), (293, 108640), (388, 82040), (485, 65632), (560, 56842), (586, 54320), (679, 46880), (776, 41020), (970, 32816), (1120, 28421), (1172, 27160), (1358, 23440), (1465, 21728), (1552, 20510), (1940, 16408), (2051, 15520), (2344, 13580), (2716, 11720), (2930, 10864), (3104, 10255), (3395, 9376), (3880, 8204), (4102, 7760), (4688, 6790), (5432, 5860)]