20180843150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{284839}}^1$

素因数の和:284973

約数の個数: 48

約数和(自身を含む): 40794784800

約数和(自身を除く): 20613941650

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 109, 130, 218, 325, 545, 650, 1090, 1417, 2725, 2834, 5450, 7085, 14170, 35425, 70850, 284839, 569678, 1424195, 2848390, 3702907, 7120975, 7405814, 14241950, 18514535, 31047451, 37029070, 62094902, 92572675, 155237255, 185145350, 310474510, 403616863, 776186275, 807233726, 1552372550, 2018084315, 4036168630, 10090421575, 20180843150]

約数ペア:

[(1, 20180843150), (2, 10090421575), (5, 4036168630), (10, 2018084315), (13, 1552372550), (25, 807233726), (26, 776186275), (50, 403616863), (65, 310474510), (109, 185145350), (130, 155237255), (218, 92572675), (325, 62094902), (545, 37029070), (650, 31047451), (1090, 18514535), (1417, 14241950), (2725, 7405814), (2834, 7120975), (5450, 3702907), (7085, 2848390), (14170, 1424195), (35425, 569678), (70850, 284839)]