40960020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6263}}^1$

素因数の和:6384

約数の個数: 48

約数和(自身を含む): 115758720

約数和(自身を除く): 74798700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 3270, 6263, 6540, 12526, 18789, 25052, 31315, 37578, 62630, 75156, 93945, 125260, 187890, 375780, 682667, 1365334, 2048001, 2730668, 3413335, 4096002, 6826670, 8192004, 10240005, 13653340, 20480010, 40960020]

約数ペア:

[(1, 40960020), (2, 20480010), (3, 13653340), (4, 10240005), (5, 8192004), (6, 6826670), (10, 4096002), (12, 3413335), (15, 2730668), (20, 2048001), (30, 1365334), (60, 682667), (109, 375780), (218, 187890), (327, 125260), (436, 93945), (545, 75156), (654, 62630), (1090, 37578), (1308, 31315), (1635, 25052), (2180, 18789), (3270, 12526), (6263, 6540)]