52721720

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{4211}}^1$

素因数の和:4535

約数の個数: 32

約数和(自身を含む): 119031120

約数和(自身を除く): 66309400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 4211, 6260, 8422, 12520, 16844, 21055, 33688, 42110, 84220, 168440, 1318043, 2636086, 5272172, 6590215, 10544344, 13180430, 26360860, 52721720]

約数ペア:

[(1, 52721720), (2, 26360860), (4, 13180430), (5, 10544344), (8, 6590215), (10, 5272172), (20, 2636086), (40, 1318043), (313, 168440), (626, 84220), (1252, 42110), (1565, 33688), (2504, 21055), (3130, 16844), (4211, 12520), (6260, 8422)]