33380720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21961}}^1$

素因数の和:21993

約数の個数: 40

約数和(自身を含む): 81698640

約数和(自身を除く): 48317920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 21961, 43922, 87844, 109805, 175688, 219610, 351376, 417259, 439220, 834518, 878440, 1669036, 1756880, 2086295, 3338072, 4172590, 6676144, 8345180, 16690360, 33380720]

約数ペア:

[(1, 33380720), (2, 16690360), (4, 8345180), (5, 6676144), (8, 4172590), (10, 3338072), (16, 2086295), (19, 1756880), (20, 1669036), (38, 878440), (40, 834518), (76, 439220), (80, 417259), (95, 351376), (152, 219610), (190, 175688), (304, 109805), (380, 87844), (760, 43922), (1520, 21961)]