16547980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 36429120

約数和(自身を除く): 19881140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 103, 116, 145, 206, 277, 290, 412, 515, 554, 580, 1030, 1108, 1385, 2060, 2770, 2987, 5540, 5974, 8033, 11948, 14935, 16066, 28531, 29870, 32132, 40165, 57062, 59740, 80330, 114124, 142655, 160660, 285310, 570620, 827399, 1654798, 3309596, 4136995, 8273990, 16547980]

約数ペア:

[(1, 16547980), (2, 8273990), (4, 4136995), (5, 3309596), (10, 1654798), (20, 827399), (29, 570620), (58, 285310), (103, 160660), (116, 142655), (145, 114124), (206, 80330), (277, 59740), (290, 57062), (412, 40165), (515, 32132), (554, 29870), (580, 28531), (1030, 16066), (1108, 14935), (1385, 11948), (2060, 8033), (2770, 5974), (2987, 5540)]