40198730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{28111}}^1$

素因数の和:28142

約数の個数: 32

約数和(自身を含む): 85010688

約数和(自身を除く): 44811958

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 28111, 56222, 140555, 281110, 309221, 365443, 618442, 730886, 1546105, 1827215, 3092210, 3654430, 4019873, 8039746, 20099365, 40198730]

約数ペア:

[(1, 40198730), (2, 20099365), (5, 8039746), (10, 4019873), (11, 3654430), (13, 3092210), (22, 1827215), (26, 1546105), (55, 730886), (65, 618442), (110, 365443), (130, 309221), (143, 281110), (286, 140555), (715, 56222), (1430, 28111)]