40148540

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 86601312

約数和(自身を除く): 46452772

約数列:

[1, 2, 4, 5, 10, 20, 73, 107, 146, 214, 257, 292, 365, 428, 514, 535, 730, 1028, 1070, 1285, 1460, 2140, 2570, 5140, 7811, 15622, 18761, 27499, 31244, 37522, 39055, 54998, 75044, 78110, 93805, 109996, 137495, 156220, 187610, 274990, 375220, 549980, 2007427, 4014854, 8029708, 10037135, 20074270, 40148540]

約数ペア:

[(1, 40148540), (2, 20074270), (4, 10037135), (5, 8029708), (10, 4014854), (20, 2007427), (73, 549980), (107, 375220), (146, 274990), (214, 187610), (257, 156220), (292, 137495), (365, 109996), (428, 93805), (514, 78110), (535, 75044), (730, 54998), (1028, 39055), (1070, 37522), (1285, 31244), (1460, 27499), (2140, 18761), (2570, 15622), (5140, 7811)]