405058880

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{9967}}^1$

素因数の和:10111

約数の個数: 56

約数和(自身を含む): 972238848

約数和(自身を除く): 567179968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 160, 254, 320, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 8128, 9967, 10160, 19934, 20320, 39868, 40640, 49835, 79736, 99670, 159472, 199340, 318944, 398680, 637888, 797360, 1265809, 1594720, 2531618, 3189440, 5063236, 6329045, 10126472, 12658090, 20252944, 25316180, 40505888, 50632360, 81011776, 101264720, 202529440, 405058880]

約数ペア:

[(1, 405058880), (2, 202529440), (4, 101264720), (5, 81011776), (8, 50632360), (10, 40505888), (16, 25316180), (20, 20252944), (32, 12658090), (40, 10126472), (64, 6329045), (80, 5063236), (127, 3189440), (160, 2531618), (254, 1594720), (320, 1265809), (508, 797360), (635, 637888), (1016, 398680), (1270, 318944), (2032, 199340), (2540, 159472), (4064, 99670), (5080, 79736), (8128, 49835), (9967, 40640), (10160, 39868), (19934, 20320)]