66863375

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{599}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 89856000

約数和(自身を除く): 22992625

約数列:

[1, 5, 19, 25, 47, 95, 125, 235, 475, 599, 893, 1175, 2375, 2995, 4465, 5875, 11381, 14975, 22325, 28153, 56905, 74875, 111625, 140765, 284525, 534907, 703825, 1422625, 2674535, 3519125, 13372675, 66863375]

約数ペア:

[(1, 66863375), (5, 13372675), (19, 3519125), (25, 2674535), (47, 1422625), (95, 703825), (125, 534907), (235, 284525), (475, 140765), (599, 111625), (893, 74875), (1175, 56905), (2375, 28153), (2995, 22325), (4465, 14975), (5875, 11381)]