72720125

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 97169280

約数和(自身を除く): 24449155

約数列:

[1, 5, 19, 25, 67, 95, 125, 335, 457, 475, 1273, 1675, 2285, 2375, 6365, 8375, 8683, 11425, 30619, 31825, 43415, 57125, 153095, 159125, 217075, 581761, 765475, 1085375, 2908805, 3827375, 14544025, 72720125]

約数ペア:

[(1, 72720125), (5, 14544025), (19, 3827375), (25, 2908805), (67, 1085375), (95, 765475), (125, 581761), (335, 217075), (457, 159125), (475, 153095), (1273, 57125), (1675, 43415), (2285, 31825), (2375, 30619), (6365, 11425), (8375, 8683)]