40660520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24793}}^1$

素因数の和:24845

約数の個数: 32

約数和(自身を含む): 93721320

約数和(自身を除く): 53060800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 24793, 49586, 99172, 123965, 198344, 247930, 495860, 991720, 1016513, 2033026, 4066052, 5082565, 8132104, 10165130, 20330260, 40660520]

約数ペア:

[(1, 40660520), (2, 20330260), (4, 10165130), (5, 8132104), (8, 5082565), (10, 4066052), (20, 2033026), (40, 1016513), (41, 991720), (82, 495860), (164, 247930), (205, 198344), (328, 123965), (410, 99172), (820, 49586), (1640, 24793)]