320829920

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{48907}}^1$

素因数の和:48963

約数の個数: 48

約数和(自身を含む): 776463408

約数和(自身を除く): 455633488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 48907, 97814, 195628, 244535, 391256, 489070, 782512, 978140, 1565024, 1956280, 2005187, 3912560, 4010374, 7825120, 8020748, 10025935, 16041496, 20051870, 32082992, 40103740, 64165984, 80207480, 160414960, 320829920]

約数ペア:

[(1, 320829920), (2, 160414960), (4, 80207480), (5, 64165984), (8, 40103740), (10, 32082992), (16, 20051870), (20, 16041496), (32, 10025935), (40, 8020748), (41, 7825120), (80, 4010374), (82, 3912560), (160, 2005187), (164, 1956280), (205, 1565024), (328, 978140), (410, 782512), (656, 489070), (820, 391256), (1312, 244535), (1640, 195628), (3280, 97814), (6560, 48907)]