18078560

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1097}}^1$

素因数の和:1215

約数の個数: 48

約数和(自身を含む): 43164576

約数和(自身を除く): 25086016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 160, 206, 412, 515, 824, 1030, 1097, 1648, 2060, 2194, 3296, 4120, 4388, 5485, 8240, 8776, 10970, 16480, 17552, 21940, 35104, 43880, 87760, 112991, 175520, 225982, 451964, 564955, 903928, 1129910, 1807856, 2259820, 3615712, 4519640, 9039280, 18078560]

約数ペア:

[(1, 18078560), (2, 9039280), (4, 4519640), (5, 3615712), (8, 2259820), (10, 1807856), (16, 1129910), (20, 903928), (32, 564955), (40, 451964), (80, 225982), (103, 175520), (160, 112991), (206, 87760), (412, 43880), (515, 35104), (824, 21940), (1030, 17552), (1097, 16480), (1648, 10970), (2060, 8776), (2194, 8240), (3296, 5485), (4120, 4388)]