16501474940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{115057}}^1$

素因数の和:115238

約数の個数: 48

約数和(自身を含む): 35489409984

約数和(自身を除く): 18987935044

約数列:

[1, 2, 4, 5, 10, 20, 71, 101, 142, 202, 284, 355, 404, 505, 710, 1010, 1420, 2020, 7171, 14342, 28684, 35855, 71710, 115057, 143420, 230114, 460228, 575285, 1150570, 2301140, 8169047, 11620757, 16338094, 23241514, 32676188, 40845235, 46483028, 58103785, 81690470, 116207570, 163380940, 232415140, 825073747, 1650147494, 3300294988, 4125368735, 8250737470, 16501474940]

約数ペア:

[(1, 16501474940), (2, 8250737470), (4, 4125368735), (5, 3300294988), (10, 1650147494), (20, 825073747), (71, 232415140), (101, 163380940), (142, 116207570), (202, 81690470), (284, 58103785), (355, 46483028), (404, 40845235), (505, 32676188), (710, 23241514), (1010, 16338094), (1420, 11620757), (2020, 8169047), (7171, 2301140), (14342, 1150570), (28684, 575285), (35855, 460228), (71710, 230114), (115057, 143420)]