12250820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 27431040

約数和(自身を除く): 15180220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 313, 380, 412, 515, 626, 1030, 1252, 1565, 1957, 2060, 3130, 3914, 5947, 6260, 7828, 9785, 11894, 19570, 23788, 29735, 32239, 39140, 59470, 64478, 118940, 128956, 161195, 322390, 612541, 644780, 1225082, 2450164, 3062705, 6125410, 12250820]

約数ペア:

[(1, 12250820), (2, 6125410), (4, 3062705), (5, 2450164), (10, 1225082), (19, 644780), (20, 612541), (38, 322390), (76, 161195), (95, 128956), (103, 118940), (190, 64478), (206, 59470), (313, 39140), (380, 32239), (412, 29735), (515, 23788), (626, 19570), (1030, 11894), (1252, 9785), (1565, 7828), (1957, 6260), (2060, 5947), (3130, 3914)]