20161177360

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8129507}}^1$

素因数の和:8129551

約数の個数: 40

約数和(自身を含む): 48386831616

約数和(自身を除く): 28225654256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 8129507, 16259014, 32518028, 40647535, 65036056, 81295070, 130072112, 162590140, 252014717, 325180280, 504029434, 650360560, 1008058868, 1260073585, 2016117736, 2520147170, 4032235472, 5040294340, 10080588680, 20161177360]

約数ペア:

[(1, 20161177360), (2, 10080588680), (4, 5040294340), (5, 4032235472), (8, 2520147170), (10, 2016117736), (16, 1260073585), (20, 1008058868), (31, 650360560), (40, 504029434), (62, 325180280), (80, 252014717), (124, 162590140), (155, 130072112), (248, 81295070), (310, 65036056), (496, 40647535), (620, 32518028), (1240, 16259014), (2480, 8129507)]