87339520

素因数分解:

$2^9\times 5^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:445

約数の個数: 80

約数和(自身を含む): 212006520

約数和(自身を除く): 124667000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 256, 313, 320, 436, 512, 545, 626, 640, 872, 1090, 1252, 1280, 1565, 1744, 2180, 2504, 2560, 3130, 3488, 4360, 5008, 6260, 6976, 8720, 10016, 12520, 13952, 17440, 20032, 25040, 27904, 34117, 34880, 40064, 50080, 55808, 68234, 69760, 80128, 100160, 136468, 139520, 160256, 170585, 200320, 272936, 279040, 341170, 400640, 545872, 682340, 801280, 1091744, 1364680, 2183488, 2729360, 4366976, 5458720, 8733952, 10917440, 17467904, 21834880, 43669760, 87339520]

約数ペア:

[(1, 87339520), (2, 43669760), (4, 21834880), (5, 17467904), (8, 10917440), (10, 8733952), (16, 5458720), (20, 4366976), (32, 2729360), (40, 2183488), (64, 1364680), (80, 1091744), (109, 801280), (128, 682340), (160, 545872), (218, 400640), (256, 341170), (313, 279040), (320, 272936), (436, 200320), (512, 170585), (545, 160256), (626, 139520), (640, 136468), (872, 100160), (1090, 80128), (1252, 69760), (1280, 68234), (1565, 55808), (1744, 50080), (2180, 40064), (2504, 34880), (2560, 34117), (3130, 27904), (3488, 25040), (4360, 20032), (5008, 17440), (6260, 13952), (6976, 12520), (8720, 10016)]