40820120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{821}}^1$

素因数の和:956

約数の個数: 64

約数和(自身を含む): 101204640

約数和(自身を除く): 60384520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 113, 220, 226, 440, 452, 565, 821, 904, 1130, 1243, 1642, 2260, 2486, 3284, 4105, 4520, 4972, 6215, 6568, 8210, 9031, 9944, 12430, 16420, 18062, 24860, 32840, 36124, 45155, 49720, 72248, 90310, 92773, 180620, 185546, 361240, 371092, 463865, 742184, 927730, 1020503, 1855460, 2041006, 3710920, 4082012, 5102515, 8164024, 10205030, 20410060, 40820120]

約数ペア:

[(1, 40820120), (2, 20410060), (4, 10205030), (5, 8164024), (8, 5102515), (10, 4082012), (11, 3710920), (20, 2041006), (22, 1855460), (40, 1020503), (44, 927730), (55, 742184), (88, 463865), (110, 371092), (113, 361240), (220, 185546), (226, 180620), (440, 92773), (452, 90310), (565, 72248), (821, 49720), (904, 45155), (1130, 36124), (1243, 32840), (1642, 24860), (2260, 18062), (2486, 16420), (3284, 12430), (4105, 9944), (4520, 9031), (4972, 8210), (6215, 6568)]