66865508750

素因数分解:

$2^1\times 5^4\times {\mathrm{3373}}^1\times {\mathrm{15859}}^1$

素因数の和:19254

約数の個数: 40

約数和(自身を含む): 125377772520

約数和(自身を除く): 58512263770

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 3373, 6746, 15859, 16865, 31718, 33730, 79295, 84325, 158590, 168650, 396475, 421625, 792950, 843250, 1982375, 2108125, 3964750, 4216250, 9911875, 19823750, 53492407, 106984814, 267462035, 534924070, 1337310175, 2674620350, 6686550875, 13373101750, 33432754375, 66865508750]

約数ペア:

[(1, 66865508750), (2, 33432754375), (5, 13373101750), (10, 6686550875), (25, 2674620350), (50, 1337310175), (125, 534924070), (250, 267462035), (625, 106984814), (1250, 53492407), (3373, 19823750), (6746, 9911875), (15859, 4216250), (16865, 3964750), (31718, 2108125), (33730, 1982375), (79295, 843250), (84325, 792950), (158590, 421625), (168650, 396475)]