82531840

素因数分解:

$2^9\times 5^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:439

約数の個数: 80

約数和(自身を含む): 200442528

約数和(自身を除く): 117910688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 256, 313, 320, 412, 512, 515, 626, 640, 824, 1030, 1252, 1280, 1565, 1648, 2060, 2504, 2560, 3130, 3296, 4120, 5008, 6260, 6592, 8240, 10016, 12520, 13184, 16480, 20032, 25040, 26368, 32239, 32960, 40064, 50080, 52736, 64478, 65920, 80128, 100160, 128956, 131840, 160256, 161195, 200320, 257912, 263680, 322390, 400640, 515824, 644780, 801280, 1031648, 1289560, 2063296, 2579120, 4126592, 5158240, 8253184, 10316480, 16506368, 20632960, 41265920, 82531840]

約数ペア:

[(1, 82531840), (2, 41265920), (4, 20632960), (5, 16506368), (8, 10316480), (10, 8253184), (16, 5158240), (20, 4126592), (32, 2579120), (40, 2063296), (64, 1289560), (80, 1031648), (103, 801280), (128, 644780), (160, 515824), (206, 400640), (256, 322390), (313, 263680), (320, 257912), (412, 200320), (512, 161195), (515, 160256), (626, 131840), (640, 128956), (824, 100160), (1030, 80128), (1252, 65920), (1280, 64478), (1565, 52736), (1648, 50080), (2060, 40064), (2504, 32960), (2560, 32239), (3130, 26368), (3296, 25040), (4120, 20032), (5008, 16480), (6260, 13184), (6592, 12520), (8240, 10016)]