20148786040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16249021}}^1$

素因数の和:16249063

約数の個数: 32

約数和(自身を含む): 46797183360

約数和(自身を除く): 26648397320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 16249021, 32498042, 64996084, 81245105, 129992168, 162490210, 324980420, 503719651, 649960840, 1007439302, 2014878604, 2518598255, 4029757208, 5037196510, 10074393020, 20148786040]

約数ペア:

[(1, 20148786040), (2, 10074393020), (4, 5037196510), (5, 4029757208), (8, 2518598255), (10, 2014878604), (20, 1007439302), (31, 649960840), (40, 503719651), (62, 324980420), (124, 162490210), (155, 129992168), (248, 81245105), (310, 64996084), (620, 32498042), (1240, 16249021)]