40005990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8387}}^1$

素因数の和:8453

約数の個数: 48

約数和(自身を含む): 105990768

約数和(自身を除く): 65984778

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 53, 90, 106, 159, 265, 318, 477, 530, 795, 954, 1590, 2385, 4770, 8387, 16774, 25161, 41935, 50322, 75483, 83870, 125805, 150966, 251610, 377415, 444511, 754830, 889022, 1333533, 2222555, 2667066, 4000599, 4445110, 6667665, 8001198, 13335330, 20002995, 40005990]

約数ペア:

[(1, 40005990), (2, 20002995), (3, 13335330), (5, 8001198), (6, 6667665), (9, 4445110), (10, 4000599), (15, 2667066), (18, 2222555), (30, 1333533), (45, 889022), (53, 754830), (90, 444511), (106, 377415), (159, 251610), (265, 150966), (318, 125805), (477, 83870), (530, 75483), (795, 50322), (954, 41935), (1590, 25161), (2385, 16774), (4770, 8387)]