40436890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{4261}}^1$

素因数の和:4354

約数の個数: 32

約数和(自身を含む): 79477776

約数和(自身を除く): 39040886

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1898, 4261, 4745, 8522, 9490, 21305, 42610, 55393, 110786, 276965, 311053, 553930, 622106, 1555265, 3110530, 4043689, 8087378, 20218445, 40436890]

約数ペア:

[(1, 40436890), (2, 20218445), (5, 8087378), (10, 4043689), (13, 3110530), (26, 1555265), (65, 622106), (73, 553930), (130, 311053), (146, 276965), (365, 110786), (730, 55393), (949, 42610), (1898, 21305), (4261, 9490), (4745, 8522)]