42064220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{727}}^1$

素因数の和:1010

約数の個数: 48

約数和(自身を含む): 96864768

約数和(自身を除く): 54800548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 263, 526, 727, 1052, 1315, 1454, 2630, 2893, 2908, 3635, 5260, 5786, 7270, 7997, 11572, 14465, 14540, 15994, 28930, 31988, 39985, 57860, 79970, 159940, 191201, 382402, 764804, 956005, 1912010, 2103211, 3824020, 4206422, 8412844, 10516055, 21032110, 42064220]

約数ペア:

[(1, 42064220), (2, 21032110), (4, 10516055), (5, 8412844), (10, 4206422), (11, 3824020), (20, 2103211), (22, 1912010), (44, 956005), (55, 764804), (110, 382402), (220, 191201), (263, 159940), (526, 79970), (727, 57860), (1052, 39985), (1315, 31988), (1454, 28930), (2630, 15994), (2893, 14540), (2908, 14465), (3635, 11572), (5260, 7997), (5786, 7270)]