65384440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{821}}^1$

素因数の和:1024

約数の個数: 64

約数和(自身を含む): 161572320

約数和(自身を除く): 96187880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 181, 220, 362, 440, 724, 821, 905, 1448, 1642, 1810, 1991, 3284, 3620, 3982, 4105, 6568, 7240, 7964, 8210, 9031, 9955, 15928, 16420, 18062, 19910, 32840, 36124, 39820, 45155, 72248, 79640, 90310, 148601, 180620, 297202, 361240, 594404, 743005, 1188808, 1486010, 1634611, 2972020, 3269222, 5944040, 6538444, 8173055, 13076888, 16346110, 32692220, 65384440]

約数ペア:

[(1, 65384440), (2, 32692220), (4, 16346110), (5, 13076888), (8, 8173055), (10, 6538444), (11, 5944040), (20, 3269222), (22, 2972020), (40, 1634611), (44, 1486010), (55, 1188808), (88, 743005), (110, 594404), (181, 361240), (220, 297202), (362, 180620), (440, 148601), (724, 90310), (821, 79640), (905, 72248), (1448, 45155), (1642, 39820), (1810, 36124), (1991, 32840), (3284, 19910), (3620, 18062), (3982, 16420), (4105, 15928), (6568, 9955), (7240, 9031), (7964, 8210)]