38840120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2153}}^1$

素因数の和:2216

約数の個数: 64

約数和(自身を含む): 97705440

約数和(自身を除く): 58865320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1640, 1804, 2153, 2255, 3608, 4306, 4510, 8612, 9020, 10765, 17224, 18040, 21530, 23683, 43060, 47366, 86120, 88273, 94732, 118415, 176546, 189464, 236830, 353092, 441365, 473660, 706184, 882730, 947320, 971003, 1765460, 1942006, 3530920, 3884012, 4855015, 7768024, 9710030, 19420060, 38840120]

約数ペア:

[(1, 38840120), (2, 19420060), (4, 9710030), (5, 7768024), (8, 4855015), (10, 3884012), (11, 3530920), (20, 1942006), (22, 1765460), (40, 971003), (41, 947320), (44, 882730), (55, 706184), (82, 473660), (88, 441365), (110, 353092), (164, 236830), (205, 189464), (220, 176546), (328, 118415), (410, 94732), (440, 88273), (451, 86120), (820, 47366), (902, 43060), (1640, 23683), (1804, 21530), (2153, 18040), (2255, 17224), (3608, 10765), (4306, 9020), (4510, 8612)]